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Text version of the page
ROFI
®
FORGED STEEL PISTON CHECK VALVES
Size/Pressure Standards ClassFromTo DesignANSI B16.34/API 602 8001/2"2" TestAPI 598 15001/2"2" Socket Weld EndANSI B16.11 25001/2"2" Screwed EndANSI B1.20.1 PISTON TYPE DISC, BOLTEDCOVER, SCREWED OR SOCKET WELD END Materials List for Three Usual Services NoPart NameStandardNACELowTemp.NACE 1BodyA105A105LF2 2CoverA105A105LF2 3DiscF6F6316 4Cover BoltB7B7ML7M 304+Graphite316+Graphite 5Gasket316 Soft Steel Ring (Class 2500) 6NameplateAluminum *Spring loaded type is available on request Alternatives Available StructureEnd ConnectionSW x NPT BonnetWelded Bonnet MaterialsTrimsAPI #1 (F6/F6), #5 (HF/HF), 304, 316, Monel,NACE standard Body/CoverF5, F11, F22, 304, 304L, 316, 316L-14 -