... Size:2"-48" 2).Rating:CL150-CL2500 3).Materials:C.S,S.S,F.S 4).Certificates:ISO,CE,TS,API Gate valveSpecifications:Size:2 ... provide other different parts material composition according to the customer's request or the actual valve working condition. 2.Drive ... actuator:Handwheel,Electric actuator,Conical gear catuator,according to client's demand. We have good experience for making industrial valves. ...