... :1/2"--12" 2),Material:WCB,304,316 stainless steel pneumatic ball valve,pneumatic ball valve,stainless steel ball valve 1),Size:1/2"-------12"2),Material ... liquid5),Temperature range:-20-3506),Connection:flange7),Operation:pneumatic(220V)stainless steel pneumatic ball valve,pneumatic ball valve,stainless steel ball valve