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Foster ISO-B Series Couplers

Foster ISO-B (FHK) Series hydraulic quick couplers and plugs, compatible with ISO 7241-1 Series B — the most widely used industrial hydraulic interchange. Two-way shut-off seals both halves at disconnect to prevent fluid loss and air inclusion. Manual sleeve connection at zero pressure. Body sizes 1/8" to 1", in RoHS-plated steel, brass, and 303/316 stainless with Buna-N seals.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 458.00
$ 458.00 - $ 458.00
$ 458.00
$ 367.00
$ 367.00 - $ 367.00
$ 367.00

Foster H2B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2B is a brass 1/4" coupler in the FHK Se...

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$ 458.00
$ 458.00 - $ 458.00
$ 458.00
$ 367.00
$ 367.00 - $ 367.00
$ 367.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 436.00
$ 436.00 - $ 436.00
$ 436.00

Foster H2B-101, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Viton Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2B-101 is a brass 1/4" coupler in the FH...

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$ 545.00
$ 545.00 - $ 545.00
$ 545.00
$ 436.00
$ 436.00 - $ 436.00
$ 436.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 572.00
$ 572.00 - $ 572.00
$ 572.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00

Foster H2B-102, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Neoprene Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2B-102 is a brass 1/4" coupler in the FH...

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$ 572.00
$ 572.00 - $ 572.00
$ 572.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 571.00
$ 571.00 - $ 571.00
$ 571.00
$ 457.00
$ 457.00 - $ 457.00
$ 457.00

Foster H2B-103, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, EPDM Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2B-103 is a brass 1/4" coupler in the FH...

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$ 571.00
$ 571.00 - $ 571.00
$ 571.00
$ 457.00
$ 457.00 - $ 457.00
$ 457.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 467.00
$ 467.00 - $ 467.00
$ 467.00
$ 374.00
$ 374.00 - $ 374.00
$ 374.00

Foster H2BLV, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Less Valve, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2BLV is a brass 1/4" coupler in the FHK ...

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$ 467.00
$ 467.00 - $ 467.00
$ 467.00
$ 374.00
$ 374.00 - $ 374.00
$ 374.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 211.00
$ 211.00 - $ 211.00
$ 211.00
$ 168.00
$ 168.00 - $ 168.00
$ 168.00

Foster H2DP, 1/4" ISO-B Dust Plug, FHK Series, Aluminum

The Foster H2DP is a 1/4" ISO-B dust plug in aluminum for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects plug (male half) from di...

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$ 211.00
$ 211.00 - $ 211.00
$ 211.00
$ 168.00
$ 168.00 - $ 168.00
$ 168.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 426.00
$ 426.00 - $ 426.00
$ 426.00
$ 341.00
$ 341.00 - $ 341.00
$ 341.00

Foster H2S, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S is a steel 1/4" coupler in the FHK Se...

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$ 426.00
$ 426.00 - $ 426.00
$ 426.00
$ 341.00
$ 341.00 - $ 341.00
$ 341.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 495.00
$ 495.00 - $ 495.00
$ 495.00
$ 396.00
$ 396.00 - $ 396.00
$ 396.00

Foster H2S-101, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Viton Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S-101 is a steel 1/4" coupler in the FH...

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$ 495.00
$ 495.00 - $ 495.00
$ 495.00
$ 396.00
$ 396.00 - $ 396.00
$ 396.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 498.00
$ 498.00 - $ 498.00
$ 498.00
$ 398.00
$ 398.00 - $ 398.00
$ 398.00

Foster H2S-103, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, EPDM Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S-103 is a steel 1/4" coupler in the FH...

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$ 498.00
$ 498.00 - $ 498.00
$ 498.00
$ 398.00
$ 398.00 - $ 398.00
$ 398.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 510.00
$ 510.00 - $ 510.00
$ 510.00
$ 408.00
$ 408.00 - $ 408.00
$ 408.00

Foster H2S-104, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Silicone Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S-104 is a steel 1/4" coupler in the FH...

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$ 510.00
$ 510.00 - $ 510.00
$ 510.00
$ 408.00
$ 408.00 - $ 408.00
$ 408.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 1,197.00
$ 1,197.00 - $ 1,197.00
$ 1,197.00
$ 958.00
$ 958.00 - $ 958.00
$ 958.00

Foster H2S/S, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S/S is a 303 stainless 1/4" coupler in ...

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$ 1,197.00
$ 1,197.00 - $ 1,197.00
$ 1,197.00
$ 958.00
$ 958.00 - $ 958.00
$ 958.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 1,241.00
$ 1,241.00 - $ 1,241.00
$ 1,241.00
$ 993.00
$ 993.00 - $ 993.00
$ 993.00

Foster H2S/S-101, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S/S-101 is a 303 stainless 1/4" coupler...

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$ 1,241.00
$ 1,241.00 - $ 1,241.00
$ 1,241.00
$ 993.00
$ 993.00 - $ 993.00
$ 993.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,267.00
$ 1,267.00 - $ 1,267.00
$ 1,267.00
$ 1,015.00
$ 1,015.00 - $ 1,015.00
$ 1,015.00

Foster H2S/S-103, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, EPDM Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S/S-103 is a 303 stainless 1/4" coupler...

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$ 1,267.00
$ 1,267.00 - $ 1,267.00
$ 1,267.00
$ 1,015.00
$ 1,015.00 - $ 1,015.00
$ 1,015.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,292.00
$ 1,292.00 - $ 1,292.00
$ 1,292.00
$ 1,034.00
$ 1,034.00 - $ 1,034.00
$ 1,034.00

Foster H2S/S-104, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Silicone Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S/S-104 is a 303 stainless 1/4" coupler...

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$ 1,292.00
$ 1,292.00 - $ 1,292.00
$ 1,292.00
$ 1,034.00
$ 1,034.00 - $ 1,034.00
$ 1,034.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,197.00
$ 1,197.00 - $ 1,197.00
$ 1,197.00
$ 958.00
$ 958.00 - $ 958.00
$ 958.00

Foster H2S/SLV, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Less Valve, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S/SLV is a 303 stainless 1/4" coupler i...

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$ 1,197.00
$ 1,197.00 - $ 1,197.00
$ 1,197.00
$ 958.00
$ 958.00 - $ 958.00
$ 958.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00

Foster H2S6, 1/4" ISO-B Hydraulic Coupler x 9/16"-18 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H2S6 is a steel 1/4" coupler in the FHK S...

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$ 507.00
$ 507.00 - $ 507.00
$ 507.00
$ 405.00
$ 405.00 - $ 405.00
$ 405.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 654.00
$ 654.00 - $ 654.00
$ 654.00
$ 524.00
$ 524.00 - $ 524.00
$ 524.00

Foster H3B, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3B is a brass 3/8" coupler in the FHK Se...

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$ 654.00
$ 654.00 - $ 654.00
$ 654.00
$ 524.00
$ 524.00 - $ 524.00
$ 524.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 773.00
$ 773.00 - $ 773.00
$ 773.00
$ 617.00
$ 617.00 - $ 617.00
$ 617.00

Foster H3B-101, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Viton Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3B-101 is a brass 3/8" coupler in the FH...

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$ 773.00
$ 773.00 - $ 773.00
$ 773.00
$ 617.00
$ 617.00 - $ 617.00
$ 617.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 785.00
$ 785.00 - $ 785.00
$ 785.00
$ 630.00
$ 630.00 - $ 630.00
$ 630.00

Foster H3B-102, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Neoprene Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3B-102 is a brass 3/8" coupler in the FH...

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$ 785.00
$ 785.00 - $ 785.00
$ 785.00
$ 630.00
$ 630.00 - $ 630.00
$ 630.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 752.00
$ 752.00 - $ 752.00
$ 752.00
$ 602.00
$ 602.00 - $ 602.00
$ 602.00

Foster H3B-103, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, EPDM Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3B-103 is a brass 3/8" coupler in the FH...

View full details
$ 752.00
$ 752.00 - $ 752.00
$ 752.00
$ 602.00
$ 602.00 - $ 602.00
$ 602.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 801.00
$ 801.00 - $ 801.00
$ 801.00
$ 640.00
$ 640.00 - $ 640.00
$ 640.00

Foster H3B-104, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Silicone Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3B-104 is a brass 3/8" coupler in the FH...

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$ 801.00
$ 801.00 - $ 801.00
$ 801.00
$ 640.00
$ 640.00 - $ 640.00
$ 640.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 671.00
$ 671.00 - $ 671.00
$ 671.00
$ 538.00
$ 538.00 - $ 538.00
$ 538.00

Foster H3S, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S is a steel 3/8" coupler in the FHK Se...

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$ 671.00
$ 671.00 - $ 671.00
$ 671.00
$ 538.00
$ 538.00 - $ 538.00
$ 538.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 771.00
$ 771.00 - $ 771.00
$ 771.00
$ 617.00
$ 617.00 - $ 617.00
$ 617.00

Foster H3S-101, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Viton Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S-101 is a steel 3/8" coupler in the FH...

View full details
$ 771.00
$ 771.00 - $ 771.00
$ 771.00
$ 617.00
$ 617.00 - $ 617.00
$ 617.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 780.00
$ 780.00 - $ 780.00
$ 780.00
$ 624.00
$ 624.00 - $ 624.00
$ 624.00

Foster H3S-102, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Neoprene Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S-102 is a steel 3/8" coupler in the FH...

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$ 780.00
$ 780.00 - $ 780.00
$ 780.00
$ 624.00
$ 624.00 - $ 624.00
$ 624.00
Save 20% Save %

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