pneumatic butterfly valve
The pneumatic butterfly valve is composed of pneumatic actuator and butterfly valve. Pneumatic butterfly valve is a round butterfly plate rotating with the stem to do the opening and closing, in order to realize the operation of the pneumatic valve, mainly for truncation use.
The structure is simple, the volume is small, the weight is light, and the cost is low. The notable features of pneumatic butterfly valve, installed in the upper passage, after the two position five way solenoid valve control easy to operate, but also adjust the flow of medium.
Body materials ：carbon steel, stainless steel, Alloy Steel, Duplex Steel.
special material (duplex, inconel)
Body Material: WCB, CF8, CF8M, CF3, CF3M, CAST IRON ,A105 ,904L ,etc.
Valve seat materials ：inconel, others on request
Seal materials graphite / stainless steel, inconel, stainless steel, PTFE
Size range(s)：NPS 2 - 48 (DN50 - 1200)
Pressure rating：ASME Classes 150 - 600
Disc Sealing: PTFE, Graphite Laminated
Standards:ASTM, ANSI,AWWA, JIS,BS, GOST, DIN etc.
Design Standard: API 609, MSS SP-67, MSS SP-68, BS 5155
Face to Face: API 609, ASME B16.10, BS 5155, EN1092
End Connection: ASME B16.5, ASME B16.47
Inspection and Test: API 598/API6D/EN12266-1