SVR Global is a leading Safety valve manufacturer in USA. SVR Global is a leading Safety valve manufacturer in USA. Body Material: Cast Iron and Steel (A216 WCB, WCC, LCB, LCC,WC6, WC9), Ductile Iron, Stainless Steel [SS316, SS304, SS316L,SS904L, CF8, CF8M, F304, F316, F31L, F51, F3, F55, F91] , WCB, WC6,SS304, SS316, DUPLEX STEEL. Class: 150 – 2500 PN 10: PN 450 Size: ½ - 24” Ends: Butt welded, Socket welded, Flanged, Threaded Visit our website- https://www.svrglobal.net/product-category/safety-valve/