All the valves meet standards of ANSI, API, DIN, BS, JIS and GB China. The main materials used for are A105, WCB, CAST IRON, WCC, WC5, WC6, WC9, CF8, CF8M, CF3, CF3M, dual-phase stainless steel, etc. range pressure valve is 125LB-2500LB, PN0.6-PN32.0;the driving mode includes hand-operated, ...