Catalogue 5 - STAUFF Quick Release Couplings 17 FF STAUFF Push-to-Connect Couplings Catalogue 5 § Edition 03/2024 Series FF § Carbon Steel Product Description Features Applications Industrial Hydraulic Top Features Agricultural and Forestry Machinery Zinc/Nickel coating Designed for secure connection Construction Machinery Flat Face Push-to-Connect Couplings of the FF Series from STAUFF consist of a male tip and a female body and are used for quick and easy connection (push) and disconnection of tubes, pipes and hoses by hand, i.e. without tools. The Series was developed in the following nominal sizes 06, 10, 12, 16, 19, 25, 38 (1/4“ - 1 1/2“) and can be connected under pressure with male tips of the FC series. A maximum operating pressure of 350 bar (5076 PSI) can also be achieved in in combination with male tips of the STAUFF FC Series (size 10, 12, 16, 19). The proven design is suitable for use in agricultural and forestry machinery, construction machinery and hydraulic attachments. § Flat Face § Coupling made from carbon steel with Zinc/Nickel surface coating § ISO Interchange acc. to ISO 16028 § Maximum working pressure up to 400 bar (5802 PSI) § Can be connected by hand while having a residual pressure up to 250 bar (3626 PSI) on the male side in combination with Male Tips of the QRC-FC Series § Powerful flow characteristics with minimal pressure drop § Heavy internal components § Integrated locking system preventing unintentional release of the coupling § Wide knurled bands on female body for easy gripping