API Check Valve

We are offering api check valve.pressure: class 150, class 300, class 600, class 900, class 1500 flange end standard: ansi b16.5; weld end standard: ansi b16.25 face-to-face: ansi b16.10 shell and seat test standard : api 598, api 6d design standard: api 6d, ansi b16.34, bs1868 1/2"–2" material: a105, lf2, f5, f11, f22, f304, f316, f304l & f316l 2"-24" material: wcb, lcb, wc6, wc9, c5, c12, cf3, cf8, cf3m &