{"title":"Foster A70 Series Couplers (Hansen 700 Acetylene)","description":"\u003cp\u003eFoster A70 Series acetylene and fuel gas quick couplers and plugs, interchangeable with Hansen 700 Series fittings. Designed for acetylene and fuel gas service in cutting, welding, and torch systems, with left-hand thread options where required. Brass construction, 1\/4\" body. Pairs with the O60 oxygen series for complete gas line setups.\u003c\/p\u003e","products":[{"product_id":"foster-a-10-a70-series","title":"Foster A-10, 1\/4\" Acetylene Plug x 1\/4\" Male NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-10\u003c\/strong\u003e is a 1\/4\" plug from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Male NPT, MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this plug with a matching A70 (Hansen 700) socket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540038901807,"sku":"FOST A-10 (1)","price":7.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-11-a70-series","title":"Foster A-11, 1\/4\" Acetylene Plug x 1\/4\" Female NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-11\u003c\/strong\u003e is a 1\/4\" plug from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this plug with a matching A70 (Hansen 700) socket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540039032879,"sku":"FOST A-11 (1)","price":8.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-12-a70-series","title":"Foster A-12, 1\/4\" Acetylene Plug x 1\/8\" Male NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-12\u003c\/strong\u003e is a 1\/4\" plug from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/8\" Male NPT, MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this plug with a matching A70 (Hansen 700) socket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540039131183,"sku":"FOST A-12 (1)","price":7.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-16-a70-series","title":"Foster A-16, 1\/4\" Acetylene Plug x 1\/4\" Hose ID, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-16\u003c\/strong\u003e is a 1\/4\" plug from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Hose ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this plug with a matching A70 (Hansen 700) socket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540039262255,"sku":"FOST A-16 (1)","price":8.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-17-a70-series","title":"Foster A-17, 1\/4\" Acetylene Plug x 3\/8\" Hose ID, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-17\u003c\/strong\u003e is a 1\/4\" plug from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-17\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Hose ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this plug\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this plug with a matching A70 (Hansen 700) socket.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540039360559,"sku":"FOST A-17 (1)","price":8.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-2803-a70-series","title":"Foster A-2803, 1\/4\" Acetylene Coupler x 1\/8\" Female NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-2803\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-2803\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/8\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540039491631,"sku":"FOST A-2803 (1)","price":26.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-2903-a70-series","title":"Foster A-2903, 1\/4\" Acetylene Coupler x 1\/8\" Male NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-2903\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-2903\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/8\" Male NPT, MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540039622703,"sku":"FOST A-2903 (1)","price":23.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-3003-a70-series","title":"Foster A-3003, 1\/4\" Acetylene Coupler x 1\/4\" Female NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-3003\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-3003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540039786543,"sku":"FOST A-3003 (1)","price":19.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-3103-a70-series","title":"Foster A-3103, 1\/4\" Acetylene Coupler x 1\/4\" Male NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-3103\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-3103\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Male NPT, MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540039884847,"sku":"FOST A-3103 (1)","price":19.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-3203-a70-series","title":"Foster A-3203, 1\/4\" Acetylene Coupler x 3\/8\" Female NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-3203\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-3203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540040015919,"sku":"FOST A-3203 (1)","price":20.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-3303-a70-series","title":"Foster A-3303, 1\/4\" Acetylene Coupler x 3\/8\" Male NPT, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-3303\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-3303\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Male NPT, MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540040146991,"sku":"FOST A-3303 (1)","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-3603-a70-series","title":"Foster A-3603, 1\/4\" Acetylene Coupler x 1\/4\" Hose ID, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-3603\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-3603\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Hose ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540040245295,"sku":"FOST A-3603 (1)","price":20.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-3653-a70-series","title":"Foster A-3653, 1\/4\" Acetylene Coupler x 5\/16\" Hose ID, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-3653\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-3653\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 5\/16\" Hose ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540040376367,"sku":"FOST A-3653 (1)","price":24.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-a-3703-a70-series","title":"Foster A-3703, 1\/4\" Acetylene Coupler x 3\/8\" Hose ID, A70 Series (Hansen 700), Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eA-3703\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e A-3703\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Hose ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540040474671,"sku":"FOST A-3703 (1)","price":20.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-2803-a70-series","title":"Foster BLA-2803, 1\/4\" Acetylene Coupler x 1\/8\" Female NPT, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-2803\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-2803\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/8\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540040638511,"sku":"FOST BLA-2803 (1)","price":27.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-2903-a70-series","title":"Foster BLA-2903, 1\/4\" Acetylene Coupler x 1\/8\" Male NPT, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-2903\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-2903\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/8\" Male NPT, MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540040835119,"sku":"FOST BLA-2903 (1)","price":24.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-3003-a70-series","title":"Foster BLA-3003, 1\/4\" Acetylene Coupler x 1\/4\" Female NPT, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-3003\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-3003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540040998959,"sku":"FOST BLA-3003 (1)","price":20.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-3103-a70-series","title":"Foster BLA-3103, 1\/4\" Acetylene Coupler x 1\/4\" Male NPT, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-3103\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-3103\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Male NPT, MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540041130031,"sku":"FOST BLA-3103 (1)","price":20.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-3203-a70-series","title":"Foster BLA-3203, 1\/4\" Acetylene Coupler x 3\/8\" Female NPT, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-3203\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-3203\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Female NPT, FPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540041326639,"sku":"FOST BLA-3203 (1)","price":21.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-3303-a70-series","title":"Foster BLA-3303, 1\/4\" Acetylene Coupler x 3\/8\" Male NPT, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-3303\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-3303\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Male NPT, MPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540041424943,"sku":"FOST BLA-3303 (1)","price":20.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-3603-a70-series","title":"Foster BLA-3603, 1\/4\" Acetylene Coupler x 1\/4\" Hose ID, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-3603\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-3603\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 1\/4\" Hose ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540041523247,"sku":"FOST BLA-3603 (1)","price":21.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-3653-a70-series","title":"Foster BLA-3653, 1\/4\" Acetylene Coupler x 5\/16\" Hose ID, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-3653\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-3653\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 5\/16\" Hose ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540041654319,"sku":"FOST BLA-3653 (1)","price":25.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"},{"product_id":"foster-bla-3703-a70-series","title":"Foster BLA-3703, 1\/4\" Acetylene Coupler x 3\/8\" Hose ID, A70 Series (Hansen 700), Ball Lock, Brass","description":"\u003cp\u003eBrass quick couplers for acetylene and gas service. The Foster \u003cstrong\u003eBLA-3703\u003c\/strong\u003e is a 1\/4\" coupler from the A70 Series, which interchanges with Hansen 700 couplers. Designed for compressed air and gases in welding, breathing equipment, shipyard, and construction work. One-way shut-off, rated to 300 PSIG. Acetylene service rated at 15 psig or less.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Foster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e A70 (Hansen 700 Interchange)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e BLA-3703\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterchange:\u003c\/strong\u003e Hansen 700\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Service:\u003c\/strong\u003e Acetylene (use at 15 psig or less)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 1\/4\" Coupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e 3\/8\" Hose ID\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e One-Way Shut-Off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Sleeve must be retracted to connect and disconnect (safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocking:\u003c\/strong\u003e Ball Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 300 PSIG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1pc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy this coupler\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHansen 700 interchange\u003c\/strong\u003e — which means it couples with the widely used Hansen 700 acetylene coupler system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcetylene service\u003c\/strong\u003e — which means it is intended for acetylene lines (at 15 psig or less) in welding and gas applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety sleeve operation\u003c\/strong\u003e — which means the sleeve must be retracted to connect and disconnect, helping prevent accidental release.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid brass construction\u003c\/strong\u003e — which means corrosion resistance and reliable gas-service performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall lock\u003c\/strong\u003e — which means a secure connection that resists accidental disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFrequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this used for?\u003c\/strong\u003e\u003cbr\u003eAcetylene and compressed-gas service in welding, breathing equipment, shipyards, and construction. A70 interchanges with Hansen 700.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a pressure limit for the gas?\u003c\/strong\u003e\u003cbr\u003eYes — A70 is intended for acetylene at 15 psig or less. Max coupler working pressure is 300 PSIG.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does it interchange with?\u003c\/strong\u003e\u003cbr\u003eHansen 700 couplers. O60 (oxygen) and A70 (acetylene) use different connections so the two gases cannot be cross-connected.\u003c\/p\u003e\u003cp\u003eBuilt for welding and gas-service lines. Pair this coupler with a matching A70 (Hansen 700) plug.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy buy from hpcouplers:\u003c\/strong\u003e Foster quality, responsive US-based support, accurate specs, fast shipping.\u003c\/p\u003e","brand":"Foster","offers":[{"title":"Default Title","offer_id":45540041752623,"sku":"FOST BLA-3703 (1)","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9849\/files\/Foster_Stock_Image_v1.png?v=1781220743"}],"url":"https:\/\/www.hpcouplers.com\/collections\/foster-a70-series-couplers-hansen-700-acetylene.oembed","provider":"hpcouplers","version":"1.0","type":"link"}