For the complete product listing, please view Catalog 3800 - Quick Coupling Products (19.9 MB PDF).
FF Series couplings eliminate spillage and air inclusion when connecting and disconnecting. The sleeve locking mechanism prevents accidental disconnection. 3/8" body size complies with Hydraulic Tool Manufacturers Association standards. FC nipples provide a connect-under-pressure option for trapped pressures up to 3000 psi on the nipple side.
Applications: Hydraulic tools, Mobile equipment, Industrial hydraulics
Features:
Body Size | Rated Pressure | Rated Flow | Temperature Range | Spillage (ml) Max. | Air Inclusion (ml) Max | Body Material | Sleeve Type | Seal Material |
---|---|---|---|---|---|---|---|---|
inches | (psi) | (gpm) | per disconnect | per connect | ||||
1/4 | 5000 | 3 | -40º to +250ºF | .015 | .020 | Steel | Push to Connect | Nitrile/Polyure-thane |
3/8 | 3000 | 6 | -40º to +250ºF | .015 | .020 | Steel | Push to Connect | Nitrile/Polyure-thane |
1/2 | 3000 | 12 | -40º to +250ºF | .080 | .070 | Steel | Push to Connect | Nitrile/Polyure-thane |
3/4 | 3000 | 28 | -40º to +250ºF | .150 | .100 | Steel | Push to Connect | Nitrile/Polyure-thane |
1 | 3000 | 50 | -40º to +250ºF | .200 | .150 | Steel | Push to Connect | Nitrile/Polyure-thane |
Body Size | Part Number | Port End | Length | Largest Diameter | Wrench Flats | Weight |
---|---|---|---|---|---|---|
inches | (lbs.) | |||||
1/4 | FF-251-4FP | 1/4-18 NPSF | 1.79 | 1.06 | 1.00 | 0.23 |
1/4 | FF-251-4MP | 1/4-18 NPTF | 1.84 | 1.06 | 1.00 | 0.24 |
1/4 | FF-251-6FO | 9/16-18 UNF | 1.91 | 1.06 | 1.00 | 0.23 |
3/8 | FF-371-6FP | 3/8-18 NPSF | 2.39 | 1.20 | 1.06 | 0.44 |
3/8 | FF-371-8FP | 1/2-14 NPSF | 2.80 | 1.20 | 1.06 | 0.50 |
3/8 | FF-371-6FB | G3/8 BSPP | 2.45 | 1.20 | 1.06 | 0.45 |
3/8 | FF-371-8FB | G1/2 BSPP | 2.80 | 1.20 | 1.06 | 0.48 |
3/8 | FF-371-8FO | 3/4-16 UNF | 2.82 | 1.20 | 1.06 | 0.52 |
1/2 | FF-501-8FP | 1/2-14 NPSF | 3.00 | 1.54 | 1.25 | 0.88 |
1/2 | FF-501-10FO | 7/8-14 UNF | 3.00 | 1.54 | 1.25 | 1.05 |
3/4 | FF-751-12FP | 3/4-14 NPSF | 3.50 | 1.94 | 1.75 | 1.84 |
3/4 | FF-751-12FO | 1 1/16-12 UNF | 3.75 | 1.94 | 1.75 | 1.93 |
1 | FF-1001-16FP | 1-11 1/2NPSF | 4.14 | 2.25 | 1.87 | 2.64 |
1 | FF-1001-16FO | 1 5/16-12UNF | 4.24 | 2.25 | 1.87 | 2.68 |
Body Size | Part Number | Port End | Length | Exposed Length | Largest Diameter | Wrench Flats | Weight |
---|---|---|---|---|---|---|---|
inches | (lbs.) | ||||||
1/4 | FF-252-4FP | 1/4-18 NPSF | 1.66 | 1.15 | 1.06 | 1.00 | 0.16 |
1/4 | FF-252-4MP | 1/4-18 NPTF | 1.72 | 1.18 | 1.06 | 1.00 | 0.26 |
1/4 | FF-252-6FO | 9/16-18 UNF | 1.66 | 1.15 | 1.06 | 1.00 | 0.16 |
3/8 | FF-372-6FP | 3/8-18 NPSF | 2.31 | 1.71 | 1.08 | 0.94 | 0.26 |
3/8 | FF-372-8FP | 1/2-14 NPSF | 2.64 | 2.04 | 1.19 | 1.06 | 0.32 |
3/8 | FF-372-6FB | G3/8 BSPP | 2.45 | 1.86 | 1.08 | 0.94 | 0.28 |
3/8 | FF-372-8FB | G1/2 BSPP | 2.70 | 2.16 | 1.19 | 1.06 | 0.32 |
3/8 | FF-372-8FO | 3/4-16 UNF | 2.70 | 2.16 | 1.19 | 1.06 | 0.3 |
1/2 | FF-502-8FP | 1/2-14 NPSF | 2.75 | 2.11 | 1.38 | 1.25 | 0.42 |
1/2 | FF-502-10FO | 7/8-14 UNF | 2.75 | 2.07 | 1.38 | 1.25 | 0.44 |
3/4 | FF-752-12FP | 3/4-14 NPSF | 3.38 | 2.47 | 1.73 | 1.50 | 1.00 |
3/4 | FF-752-12FO | 1 1/16-12 UNF | 3.58 | 2.47 | 1.73 | 1.50 | 1.02 |
1 | FF-1002-16FP | 1-11 1/2 NPSF | 3.85 | 2.60 | 2.17 | 1.87 | 1.60 |
1 | FF-1002-16FO | 1 5/16-12UNF | 3.85 | 2.60 | 2.17 | 1.87 | 1.70 |