API 602 Forged Steel Check Valve

API 602 forged steel check valve is automatic working valve in the pipeline to protect pumps and actuator from any damages caused by working medium back flow , which widely used in all type system of thermal power plant, chemical industry and metallurgy etc.  API 602 check valve stcucture can be swing type and lift type. Valve size from 1/2"(DN15) to 2"(DN50) matching pressure class 150(PN16) to class 2500(PN420). Valve connection can be NPT, BW, SW, RF. Valve material covers carbon steel, such as A105, LF2; stainless steel, such as F304, F316; alloy steel, such as F11, F22, F91.