278 SERIES,Website:://.ehhydraulics.com, HYDRAULIC QUICK COUPLING (CARBON STEEL) ISO-7241-A, ONNECT UNDER MAX OPERATING PRESSURE ON THE FEMALE SIDEArt. No.SizeBodySizeLsDHsTHFSFC27812-M22X1.5081/2"138.638S38M22X1.5HFSFC27812-3/4"UNF-16081/2"138.638S383/4"UNF-16Art. No.SizeBodySizeLsDHsTHFSFC27812-1/2"081/2"107.538S271/2"BSPP(NPT)Art. No.SizeBody SizeLpHpTHFSFP7512-1/2"081/2"44S271/2"BSPP(NPTF)APPLICATIONS:This series couplings are used in medium and high power tractors: direct mounting on the directional valve or rigid piping. This coupler is a reference for the most important manufacturers of agricultural equipment , must be used with a male tip which meets the requirements of ISO 7241-1-A. Connection under pressure on female side only. Max residual pressure:250 bar.PERFORMANCEINTERCHANGEPARKER 9404 SERIES, FASTER 3CFPV SERIES, DNP PPK3 SERIESTEMPERATURE RANGE-25oC 120oC/-13oF 250oFWith standard seals: Buna-N(Nitrile)On request seals: Viton, Neoprene, EPDM or other seals.MAX. WORKING PRESSURE1/2" :250BarMATERIALCoupler Body :STEEL, TRIVALENT PLATEDValve :STEEL, POPPET TYPESprings :C98Locking O-Ring :C98Balls :GCr15Seals :Buna-N(Nitrile)Back-Up Ring :PTFE Surface treatment :Zinc plating and Cr 3 Passivationor Zinc Nickel  platingATTENTION:Connection under pressure on female side only. Max residual pressure:250bar. Only plug and socket with the same thread fit together.