Pneumatic wafer butterfly valve

Nominal diameter  25～800

Nominal pressure (MPa) 0.6 1.0 1.6

Seal Test: (MPa) 0.66 1.1 1.76

Strengh testing pressure: (MPa) 0.9 1.5 2.4

Applied Temperature: -40℃～90℃  

Applied medium: Water, air, gas, oil and weak corrosive fluid

Leakage rate:  GB/T13927-92 standrad

Pneumatic wafer butterfly valve drive by electric ,manual, worm gear drive, pneumatic, etc.

2 material of other parts :

Valve body : WCB, QT450-10, HT200, HT250

Disc  WCB, QT450-10,304,316,1.4529

Steam   2Cr13

pneumatic flange butterfly valve