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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 %
$ 482.00
$ 482.00 - $ 482.00
$ 482.00
$ 386.00
$ 386.00 - $ 386.00
$ 386.00

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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$ 482.00
$ 482.00 - $ 482.00
$ 482.00
$ 386.00
$ 386.00 - $ 386.00
$ 386.00
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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 %
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 458.00
$ 458.00 - $ 458.00
$ 458.00

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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$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 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 %
$ 602.00
$ 602.00 - $ 602.00
$ 602.00
$ 482.00
$ 482.00 - $ 482.00
$ 482.00

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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$ 602.00
$ 602.00 - $ 602.00
$ 602.00
$ 482.00
$ 482.00 - $ 482.00
$ 482.00
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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 %
$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 480.00
$ 480.00 - $ 480.00
$ 480.00

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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$ 600.00
$ 600.00 - $ 600.00
$ 600.00
$ 480.00
$ 480.00 - $ 480.00
$ 480.00
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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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$ 491.00
$ 491.00 - $ 491.00
$ 491.00
$ 393.00
$ 393.00 - $ 393.00
$ 393.00

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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$ 491.00
$ 491.00 - $ 491.00
$ 491.00
$ 393.00
$ 393.00 - $ 393.00
$ 393.00
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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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$ 222.00
$ 222.00 - $ 222.00
$ 222.00
$ 177.00
$ 177.00 - $ 177.00
$ 177.00

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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$ 222.00
$ 222.00 - $ 222.00
$ 222.00
$ 177.00
$ 177.00 - $ 177.00
$ 177.00
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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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$ 448.00
$ 448.00 - $ 448.00
$ 448.00
$ 358.00
$ 358.00 - $ 358.00
$ 358.00

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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$ 448.00
$ 448.00 - $ 448.00
$ 448.00
$ 358.00
$ 358.00 - $ 358.00
$ 358.00
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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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$ 520.00
$ 520.00 - $ 520.00
$ 520.00
$ 417.00
$ 417.00 - $ 417.00
$ 417.00

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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$ 520.00
$ 520.00 - $ 520.00
$ 520.00
$ 417.00
$ 417.00 - $ 417.00
$ 417.00
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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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$ 524.00
$ 524.00 - $ 524.00
$ 524.00
$ 418.00
$ 418.00 - $ 418.00
$ 418.00

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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$ 524.00
$ 524.00 - $ 524.00
$ 524.00
$ 418.00
$ 418.00 - $ 418.00
$ 418.00
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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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$ 537.00
$ 537.00 - $ 537.00
$ 537.00
$ 429.00
$ 429.00 - $ 429.00
$ 429.00

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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$ 537.00
$ 537.00 - $ 537.00
$ 537.00
$ 429.00
$ 429.00 - $ 429.00
$ 429.00
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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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$ 1,258.00
$ 1,258.00 - $ 1,258.00
$ 1,258.00
$ 1,007.00
$ 1,007.00 - $ 1,007.00
$ 1,007.00

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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$ 1,258.00
$ 1,258.00 - $ 1,258.00
$ 1,258.00
$ 1,007.00
$ 1,007.00 - $ 1,007.00
$ 1,007.00
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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$ 1,306.00
$ 1,306.00 - $ 1,306.00
$ 1,306.00
$ 1,044.00
$ 1,044.00 - $ 1,044.00
$ 1,044.00

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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$ 1,306.00
$ 1,306.00 - $ 1,306.00
$ 1,306.00
$ 1,044.00
$ 1,044.00 - $ 1,044.00
$ 1,044.00
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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$ 1,333.00
$ 1,333.00 - $ 1,333.00
$ 1,333.00
$ 1,067.00
$ 1,067.00 - $ 1,067.00
$ 1,067.00

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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$ 1,333.00
$ 1,333.00 - $ 1,333.00
$ 1,333.00
$ 1,067.00
$ 1,067.00 - $ 1,067.00
$ 1,067.00
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 %
$ 1,358.00
$ 1,358.00 - $ 1,358.00
$ 1,358.00
$ 1,087.00
$ 1,087.00 - $ 1,087.00
$ 1,087.00

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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$ 1,358.00
$ 1,358.00 - $ 1,358.00
$ 1,358.00
$ 1,087.00
$ 1,087.00 - $ 1,087.00
$ 1,087.00
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 %
$ 1,258.00
$ 1,258.00 - $ 1,258.00
$ 1,258.00
$ 1,007.00
$ 1,007.00 - $ 1,007.00
$ 1,007.00

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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$ 1,258.00
$ 1,258.00 - $ 1,258.00
$ 1,258.00
$ 1,007.00
$ 1,007.00 - $ 1,007.00
$ 1,007.00
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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$ 533.00
$ 533.00 - $ 533.00
$ 533.00
$ 426.00
$ 426.00 - $ 426.00
$ 426.00

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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$ 533.00
$ 533.00 - $ 533.00
$ 533.00
$ 426.00
$ 426.00 - $ 426.00
$ 426.00
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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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$ 687.00
$ 687.00 - $ 687.00
$ 687.00
$ 551.00
$ 551.00 - $ 551.00
$ 551.00

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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$ 687.00
$ 687.00 - $ 687.00
$ 687.00
$ 551.00
$ 551.00 - $ 551.00
$ 551.00
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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$ 813.00
$ 813.00 - $ 813.00
$ 813.00
$ 649.00
$ 649.00 - $ 649.00
$ 649.00

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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$ 813.00
$ 813.00 - $ 813.00
$ 813.00
$ 649.00
$ 649.00 - $ 649.00
$ 649.00
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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$ 826.00
$ 826.00 - $ 826.00
$ 826.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00

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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$ 826.00
$ 826.00 - $ 826.00
$ 826.00
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
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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$ 791.00
$ 791.00 - $ 791.00
$ 791.00
$ 633.00
$ 633.00 - $ 633.00
$ 633.00

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...

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$ 791.00
$ 791.00 - $ 791.00
$ 791.00
$ 633.00
$ 633.00 - $ 633.00
$ 633.00
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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$ 842.00
$ 842.00 - $ 842.00
$ 842.00
$ 673.00
$ 673.00 - $ 673.00
$ 673.00

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...

View full details
$ 842.00
$ 842.00 - $ 842.00
$ 842.00
$ 673.00
$ 673.00 - $ 673.00
$ 673.00
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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$ 706.00
$ 706.00 - $ 706.00
$ 706.00
$ 566.00
$ 566.00 - $ 566.00
$ 566.00

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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$ 706.00
$ 706.00 - $ 706.00
$ 706.00
$ 566.00
$ 566.00 - $ 566.00
$ 566.00
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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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$ 811.00
$ 811.00 - $ 811.00
$ 811.00
$ 649.00
$ 649.00 - $ 649.00
$ 649.00

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
$ 811.00
$ 811.00 - $ 811.00
$ 811.00
$ 649.00
$ 649.00 - $ 649.00
$ 649.00
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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$ 820.00
$ 820.00 - $ 820.00
$ 820.00
$ 657.00
$ 657.00 - $ 657.00
$ 657.00

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...

View full details
$ 820.00
$ 820.00 - $ 820.00
$ 820.00
$ 657.00
$ 657.00 - $ 657.00
$ 657.00
Save 20% Save %

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