... ,Website:http://www.hugo-valve.com, Shanghai Hugo Valve Co.,Ltd is always at your service.Description for Valve1, Impact ... and flexible for operation.3, Drive mode have handle, electric and pneumatic.4, Be widely used in petroleum,chemical engineering ... : WCB+1Cr13, WCB+ stellite Top flange size : according to electric actuator sizeApplicable standard for Valve :Design and Manufacture according to ...