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Non-Spill Couplings Hydraulic Quick Couplings FC Series (Connect-Under-Pressure) PressureDropInPSID Applications Parker FC Series nipple provides connect-under-pressure capability with up to 3000 psi of trapped pressure in the nipple and are ideal for applications where residual pressure makes reconnect difficult. Utilized primarily in the construc- tion equipment market, FC Series products are commonly found on hydraulic attachments used in skid steer applications. The FC Series mates with the FF Series Parker interface. Features � Connect-Under-Pressure Nipple Only � Hardened Locking Surface � Zinc Plated with Yellow Chromate Finish � Anti Blowout BFT Seals Description � Flush Face Valving FC Series products operate slightly different from traditional Note: Protective dust plugs and caps play a crucial role in the non-spill couplings. With no pressure in the coupler and up to life of a quick coupling and no purchase of a hydraulic quick 3000 psi of trapped pressure in the nipple, begin to couple coupling is complete without the selection of an appropriate the mating halves. Delay momentarily during connection to dust plug and cap. See pages noted in Table of Contents for allow trapped pressure to equalize with the mating half dust plugs and caps for the Parker full line of hydraulic before completing the connection. couplings. Performance FC Series Specifications Test Fluid: Oil - SUS 200 1000 Body Size (in.) 3/8 1/2 3/4 Rated Pressure (PSI) 3000 3000 3000 3/8 1/2 3/4 Rated Connect-Under-Pressure 100 Capability 3000 3000 1500 Rated Flow (GPM) 6 12 26 Spillage (ML) .015 .020 .015 10 (max. per disconnect) Air Inclusion (ML) .020 .070 .100 (max. per connect) 1 0.1 1 10 100 Flow in USGPM Nipples Body Part Dimensions (in.) Size No. Mating Thread Overall Exposed Hex Largest Wt. (LB.) (in.) Steel Half Size Length Length Size Diameter P/Piece BHydraulics D E F G 3/8 FC-372-6FP FF-371 3/8-18 NPSF 3.30 2.58 1.062 1.16 0.45 3/8 FC-372-8FO FF-371 3/4-16 UNF 3.30 2.58 1.062 1.16 0.42 D E 3/8 FC-372-8FP FF-371 1/2-14 NPSF 3.30 2.58 1.062 1.16 0.42 1/2 FC-502-8FP FF-501 1/2-14 NPSF 3.46 2.65 1.125 1.22 0.53 1/2 FC-502-10FO FF-501 7/8-14 UNF 3.46 2.65 1.125 1.22 0.52 G 3/4 FC-752-12FO FF-751 1 1/16-12 UNF 4.81 3.72 1.500 1.65 1.32 3/4 FC-752-12FP FF-751 3/4-14 NPSF 4.81 3.72 1.500 1.65 1.34 F Standard Port Configurations FP - Female Pipe Thread FO - Female Straight Thread Quick Coupling Division 8145 Lewis Road � Minneapolis, MN 55427 B-29 www.parker.com/quickcouplings
Goodyear Rubber Products
