... and flexible for operation.3, Drive mode have handle, electric and pneumatic.4, Be widely used in petroleum,chemical ... gate valve and so on. Technical Details for Electric ActuatorPower supply:general single-phase100V,110V,200V,220V,230V,240V,three-phase380V ... WCB+1Cr13, WCB+ stellite Top flange size : according to electric actuator sizeApplicable standard for Valve :Design and Manufacture according to ...