Features & applications * Reduced or full port * Construction: B.C & W.C; Y type lift check valve with spring & piston * Gasket: Stainless steel+graphite * Socket welding & threaded ends * Integral seat * Design & manufacture: API 602 & ANSI B16.34 * Socket welding dimension: ANSI B16.11 * Screw end dimension: ANSI B1.20.1 (NPT) * Inspect and test: API 598 * Body material: A105, LF2, F5, F11, F22, F304, F304L, F316, F316L |