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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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Original price €71,95 - Original price €71,95
Original price
€71,95
€71,95 - €71,95
Current price €71,95

Foster BLH3S/S, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH3S/S is a 303 stainless 3/8" coupler i...

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Original price €71,95 - Original price €71,95
Original price
€71,95
€71,95 - €71,95
Current price €71,95
Original price €37,95 - Original price €37,95
Original price
€37,95
€37,95 - €37,95
Current price €37,95

Foster BLH3S8, 3/8" ISO-B Hydraulic Coupler x 3/4"-16 SAE, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH3S8 is a steel 3/8" coupler in the FHK...

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Original price €37,95 - Original price €37,95
Original price
€37,95
€37,95 - €37,95
Current price €37,95
Original price €54,95 - Original price €54,95
Original price
€54,95
€54,95 - €54,95
Current price €54,95

Foster BLH4B, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Ball Lock, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH4B is a brass 1/2" coupler in the FHK ...

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Original price €54,95 - Original price €54,95
Original price
€54,95
€54,95 - €54,95
Current price €54,95
Original price €42,95 - Original price €42,95
Original price
€42,95
€42,95 - €42,95
Current price €42,95

Foster BLH4S, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH4S is a steel 1/2" coupler in the FHK ...

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Original price €42,95 - Original price €42,95
Original price
€42,95
€42,95 - €42,95
Current price €42,95
Original price €120,95 - Original price €120,95
Original price
€120,95
€120,95 - €120,95
Current price €120,95

Foster BLH4S/S, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH4S/S is a 303 stainless 1/2" coupler i...

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Original price €120,95 - Original price €120,95
Original price
€120,95
€120,95 - €120,95
Current price €120,95
Original price €50,95 - Original price €50,95
Original price
€50,95
€50,95 - €50,95
Current price €50,95

Foster BLH4S10, 1/2" ISO-B Hydraulic Coupler x 7/8"-14 SAE, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH4S10 is a steel 1/2" coupler in the FH...

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Original price €50,95 - Original price €50,95
Original price
€50,95
€50,95 - €50,95
Current price €50,95
Original price €92,95 - Original price €92,95
Original price
€92,95
€92,95 - €92,95
Current price €92,95

Foster BLH6B, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Ball Lock, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH6B is a brass 3/4" coupler in the FHK ...

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Original price €92,95 - Original price €92,95
Original price
€92,95
€92,95 - €92,95
Current price €92,95
Original price €71,95 - Original price €71,95
Original price
€71,95
€71,95 - €71,95
Current price €71,95

Foster BLH6S, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH6S is a steel 3/4" coupler in the FHK ...

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Original price €71,95 - Original price €71,95
Original price
€71,95
€71,95 - €71,95
Current price €71,95
Original price €194,95 - Original price €194,95
Original price
€194,95
€194,95 - €194,95
Current price €194,95

Foster BLH6S/S, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH6S/S is a 303 stainless 3/4" coupler i...

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Original price €194,95 - Original price €194,95
Original price
€194,95
€194,95 - €194,95
Current price €194,95
Original price €72,95 - Original price €72,95
Original price
€72,95
€72,95 - €72,95
Current price €72,95

Foster BLH6S12, 3/4" ISO-B Hydraulic Coupler x 1-1/16"-12 SAE, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH6S12 is a steel 3/4" coupler in the FH...

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Original price €72,95 - Original price €72,95
Original price
€72,95
€72,95 - €72,95
Current price €72,95
Original price €134,95 - Original price €134,95
Original price
€134,95
€134,95 - €134,95
Current price €134,95

Foster BLH8B, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Ball Lock, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH8B is a brass 1" coupler in the FHK Se...

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Original price €134,95 - Original price €134,95
Original price
€134,95
€134,95 - €134,95
Current price €134,95
Original price €87,95 - Original price €87,95
Original price
€87,95
€87,95 - €87,95
Current price €87,95

Foster BLH8S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH8S is a steel 1" coupler in the FHK Se...

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Original price €87,95 - Original price €87,95
Original price
€87,95
€87,95 - €87,95
Current price €87,95
Original price €287,95 - Original price €287,95
Original price
€287,95
€287,95 - €287,95
Current price €287,95

Foster BLH8S/S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH8S/S is a 303 stainless 1" coupler in ...

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Original price €287,95 - Original price €287,95
Original price
€287,95
€287,95 - €287,95
Current price €287,95
Original price €97,95 - Original price €97,95
Original price
€97,95
€97,95 - €97,95
Current price €97,95

Foster BLH8S16, 1" ISO-B Hydraulic Coupler x 15/16"-12 SAE, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH8S16 is a steel 1" coupler in the FHK ...

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Original price €97,95 - Original price €97,95
Original price
€97,95
€97,95 - €97,95
Current price €97,95
Original price €15,95 - Original price €15,95
Original price
€15,95
€15,95 - €15,95
Current price €15,95

Foster H1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H1B is a brass 1/8" coupler in the FHK Se...

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Original price €15,95 - Original price €15,95
Original price
€15,95
€15,95 - €15,95
Current price €15,95
Original price €20,95 - Original price €20,95
Original price
€20,95
€20,95 - €20,95
Current price €20,95

Foster H1B-101, 1/8" ISO-B Hydraulic Coupler x 1/8" 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 H1B-101 is a brass 1/8" coupler in the FH...

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Original price €20,95 - Original price €20,95
Original price
€20,95
€20,95 - €20,95
Current price €20,95
Original price €19,95 - Original price €19,95
Original price
€19,95
€19,95 - €19,95
Current price €19,95

Foster H1B-103, 1/8" ISO-B Hydraulic Coupler x 1/8" 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 H1B-103 is a brass 1/8" coupler in the FH...

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Original price €19,95 - Original price €19,95
Original price
€19,95
€19,95 - €19,95
Current price €19,95
Original price €16,95 - Original price €16,95
Original price
€16,95
€16,95 - €16,95
Current price €16,95

Foster H1BLV, 1/8" ISO-B Hydraulic Coupler x 1/8" 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 H1BLV is a brass 1/8" coupler in the FHK ...

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Original price €16,95 - Original price €16,95
Original price
€16,95
€16,95 - €16,95
Current price €16,95
Original price €16,95 - Original price €16,95
Original price
€16,95
€16,95 - €16,95
Current price €16,95

Foster H1S, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H1S is a steel 1/8" coupler in the FHK Se...

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Original price €16,95 - Original price €16,95
Original price
€16,95
€16,95 - €16,95
Current price €16,95
Original price €19,95 - Original price €19,95
Original price
€19,95
€19,95 - €19,95
Current price €19,95

Foster H1S-101, 1/8" ISO-B Hydraulic Coupler x 1/8" 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 H1S-101 is a steel 1/8" coupler in the FH...

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Original price €19,95 - Original price €19,95
Original price
€19,95
€19,95 - €19,95
Current price €19,95
Original price €47,95 - Original price €47,95
Original price
€47,95
€47,95 - €47,95
Current price €47,95

Foster H1S/S, 1/8" ISO-B Hydraulic Coupler 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 H1S/S is a 303 stainless 1/8" coupler in ...

View full details
Original price €47,95 - Original price €47,95
Original price
€47,95
€47,95 - €47,95
Current price €47,95
Original price €51,95 - Original price €51,95
Original price
€51,95
€51,95 - €51,95
Current price €51,95

Foster H1S/S-101, 1/8" ISO-B Hydraulic Coupler 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 H1S/S-101 is a 303 stainless 1/8" coupler...

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Original price €51,95 - Original price €51,95
Original price
€51,95
€51,95 - €51,95
Current price €51,95
Original price €52,95 - Original price €52,95
Original price
€52,95
€52,95 - €52,95
Current price €52,95

Foster H1S/S-104, 1/8" ISO-B Hydraulic Coupler x 1/8" 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 H1S/S-104 is a 303 stainless 1/8" coupler...

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Original price €52,95 - Original price €52,95
Original price
€52,95
€52,95 - €52,95
Current price €52,95
Original price €20,95 - Original price €20,95
Original price
€20,95
€20,95 - €20,95
Current price €20,95

Foster H1S4, 1/8" ISO-B Hydraulic Coupler 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 H1S4 is a steel 1/8" coupler in the FHK S...

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Original price €20,95 - Original price €20,95
Original price
€20,95
€20,95 - €20,95
Current price €20,95