... air valve we can product as the request of customers vertical wave valve control Valve Size: 2" -128", 150LB-600LB, PN6 ... ~PN100. Material: C.S,S.S, Cast Iron, ductile iron, Bronze etc Specification:1) Size: 2" - 128"2) Rating ... : 150lbs-600lbs, PN6~PN1003) Material: cast steel, stainless steel,cast iron, ductile iron4) Operation: hand wheel, worm gear, electric actuator, pneumatic ...