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Indexes Technical Data Hoses & Fittings Fittings & Accessories Blow Guns & Accessories Hydraulic QD Pneumatic QDBrand - Designates =Foster or =Breco PartZSi-Foster Engineering Catalog – 339 –WARNING: These products can expose you to chemicals including lead, which is known to the State of California to cause cancer, and which is known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.FF Series(Flush Face, Meets ISO 16028 Standard)FF Series Sockets - Breco Female ThreadPart No.Steel Size Dust PlugThread SizeNPTB-2FF2-FP 1⁄4\SDC-2 1⁄4–20 FPTB-3FF3-FP 3⁄ 8\–3⁄ 8–18 FPTB-3FF4-FP 1⁄ 2–14 FPTB-4FF4-FP1⁄ 2\SDC-41⁄ 2–14 FPTB-4FF4-FP-SAE 3⁄4–16 SAEB-4FF6-FP 3⁄4–14 FPTB-4FF6-FP-SAE 11⁄16–12-SAEB-6FF6-FP 3⁄4\SDC-63⁄4–14 FPTB-6FF6-FP-SAE 11⁄16–12-SAEB-8FF8-FP 1\SDC-8 1–111⁄ 2 FPTSpecificationsSize1⁄4\3⁄8\1⁄2\3⁄4\1\Rated Pressure (psig) 5,000 5,000 5,000 5,000 5,000Minimum Burst pressure, Male half (psig) 27,000 22,000 24,000 23,000 21,000Minimum Burst pressure, Female half (psig) 27,000 25,000 23,000 20,000 20,000Minimum Burst pressure, Coupled (psig) 27,000 23,000 25,000 22,000 22,000Rated Flow (gpm) 3 6 12 26 50Temperature Range -10°F to +250° FSpillage (ML)(max. per disconnect) .015 .015 .020 .150 .200Air Inclusion(max. per disconnect) .020 .020 .070 .100 .150The FF Series couplers are a two-way shut-off hydraulic coupler. Typical applications include portable hydraulic tools, railway and construction maintenance equipment, utility company field equipment and general purpose hydraulic service. The flush face technology provides for ease of cleaning, minimal air inclusion and minimal fluid loss. The arrow stamped on the coupler indicates the direction of flow for installation purposes.Features:• Meets dimensional and performance standards of ISO 16028 as well as HTMA* and NFPA. • \intended for use on medium pressure hydraulic systems up to 2500 psig operating pressures.• Combines dual flush face valving, push-to-connect operation, minimum fluid loss upon disconnect, low air inclusion and sleeve lock. • Primary applications are with hydraulic tools where cleaner automatic connections are needed and in machine tool line connections where minimum fluid leaks can be tolerated. *Hydraulic Tool Mfg. Assoc. and National Fluid Power Assoc. Female ThreadPart No.Steel Size Dust PlugThread SizeNPTB-FF2F2-FP 1⁄4\PDC-2 1⁄4–20 FPTB-FF3F3-FP 3⁄ 8\–3⁄ 8–18 FPTB-FF3F4-FP 1⁄ 2–14 FPTB-FF4F4-FP1⁄ 2\PDC-41⁄ 2–14 FPTB-FF4F4-FP-SAE 3⁄4–16 SAEB-FF4F6-FP 3⁄4–14 FPTB-FF4F6-FP-SAE 11⁄16–12-SAEB-FF6F6-FP 3⁄4\PDC-63⁄4–14 FPTB-FF6F6-FP-SAE 11⁄16–12-SAEB-FF8F8-FP 1\PDC-8 1–111⁄ 2 FPTFF Series Plugs - BrecoPerformance:FF Series (1⁄4\Test Fluid: Oil-200 SUS2 3 4 5 6 8 10 20 30 40 60 1234571020 3/8\1\1/2\ 3/4\1/4\40 30 50 80 100 123457102040305080100Flow in USGPMPressure Drop in PDI