1),Size:1/2"--4" 2),Material:WCB,304,316 2pc pneumatic ball valve,2pc ball valve,stainless steel ball valve 1),Size:1/2"-------4"2),Material:WCB,304,316(CF8,CF8M)3),Pressure:1000WOG,2000WOG4),Suitable medium:water,oil,air and some corrosive liquid5),Temperature range:-20-3506),Connection:thread7),Operation:pneumatic(220V)2pc pneumatic ball valve,2pc ball valve,stainless steel ball valve