... Size: 2" -128", 150LB-600LB, PN6~PN100. Material: C.S,S.S, Cast Iron, ductile iron, Bronze etc Wafer Butterfly Valve Specification:1) Size: 2 ... : 150lbs-600lbs, PN6~PN1003) Material: cast steel, stainless steel,cast iron, ductile iron4) Operation: hand wheel, worm gear, electric actuator, pneumatic ...