... to oil, seawater or other medium. Many valves of gate,globe,check,butterfly,ball, which are reliable.Apply to oil, seawater ... (SS) 4) Suitable medium: Water, oil, vapor etc. 5) Body: CI/WCB/CF3M/CF3/CF8/CF8M 6) Disc: WCB/SS 7 ... actuator ,pneumatic actuator, electric actuator etc. many valves of gate,globe,check,butterfly,ball