We are offering forg check valve, horizontal check valve lift check valve - class 800 forged steel check valve features : reduced or full port lift or swing chek valve spiral wound gasket of stainless steel bolted cap socket weld or threaded ends replaceable or integral hardfaced seat applicable stabdards : basic design, ms-sp-118 & ansi b16.34 socket-weld (s.w) ansi b16.11 threaded end (s.e) ansi b1.20.1 valve test and inspect :api 598 standard material: a105n, lf2, f5, f11, f22, f304, f304l, f316,