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 K1S/S, 1/8" ISO-B Hydraulic Plug x 1/8" 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 K1S/S is a 303 stainless 1/8" plug in the...
View full detailsFoster K1S/S-101, 1/8" ISO-B Hydraulic Plug x 1/8" 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 K1S/S-101 is a 303 stainless 1/8" plug in...
View full detailsFoster K1S4, 1/8" ISO-B Hydraulic Plug x 7/16"-20 SAE, ISO-B Series, Plated Steel
The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1S4 is a steel 1/8" plug in the FHK Seri...
View full detailsFoster K2B, 1/4" ISO-B Hydraulic Plug 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 K2B is a brass 1/4" plug in the FHK Serie...
View full detailsFoster K2B-101, 1/4" ISO-B Hydraulic Plug 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 K2B-101 is a brass 1/4" plug in the FHK S...
View full detailsFoster K2B-102, 1/4" ISO-B Hydraulic Plug 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 K2B-102 is a brass 1/4" plug in the FHK S...
View full detailsFoster K2B-103, 1/4" ISO-B Hydraulic Plug 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 K2B-103 is a brass 1/4" plug in the FHK S...
View full detailsFoster K2B-104, 1/4" ISO-B Hydraulic Plug x 1/4" 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 K2B-104 is a brass 1/4" plug in the FHK S...
View full detailsFoster K2BLV, 1/4" ISO-B Hydraulic Plug 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 K2BLV is a brass 1/4" plug in the FHK Ser...
View full detailsFoster K2S, 1/4" ISO-B Hydraulic Plug 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 K2S is a steel 1/4" plug in the FHK Serie...
View full detailsFoster K2S-101, 1/4" ISO-B Hydraulic Plug 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 K2S-101 is a steel 1/4" plug in the FHK S...
View full detailsFoster K2S-103, 1/4" ISO-B Hydraulic Plug 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 K2S-103 is a steel 1/4" plug in the FHK S...
View full detailsFoster K2S-104, 1/4" ISO-B Hydraulic Plug 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 K2S-104 is a steel 1/4" plug in the FHK S...
View full detailsFoster K2S/S, 1/4" ISO-B Hydraulic Plug 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 K2S/S is a 303 stainless 1/4" plug in the...
View full detailsFoster K2S/S-101, 1/4" ISO-B Hydraulic Plug 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 K2S/S-101 is a 303 stainless 1/4" plug in...
View full detailsFoster K2S/S-103, 1/4" ISO-B Hydraulic Plug 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 K2S/S-103 is a 303 stainless 1/4" plug in...
View full detailsFoster K2S/S-104, 1/4" ISO-B Hydraulic Plug 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 K2S/S-104 is a 303 stainless 1/4" plug in...
View full detailsFoster K2S/SLV, 1/4" ISO-B Hydraulic Plug 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 K2S/SLV is a 303 stainless 1/4" plug in t...
View full detailsFoster K2S6, 1/4" ISO-B Hydraulic Plug 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 K2S6 is a steel 1/4" plug in the FHK Seri...
View full detailsFoster K2SLV, 1/4" ISO-B Hydraulic Plug x 1/4" Female NPT, ISO-B Series, Less Valve, Plated Steel
The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K2SLV is a steel 1/4" plug in the FHK Ser...
View full detailsFoster K3B, 3/8" ISO-B Hydraulic Plug 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 K3B is a brass 3/8" plug in the FHK Serie...
View full detailsFoster K3B-101, 3/8" ISO-B Hydraulic Plug 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 K3B-101 is a brass 3/8" plug in the FHK S...
View full detailsFoster K3B-102, 3/8" ISO-B Hydraulic Plug 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 K3B-102 is a brass 3/8" plug in the FHK S...
View full detailsFoster K3B-103, 3/8" ISO-B Hydraulic Plug 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 K3B-103 is a brass 3/8" plug in the FHK S...
View full details