Ductile iron butterfly valve wafer type Product introduction
Ductile iron butterfly valve wafer type is installed between two flanges. The butterfly valve is kept in place by using bolts or studs and nuts from flange to flange. This type of installation, of course, makes it impossible to disconnect just one side of the piping system from the valve.
Ductile iron butterfly valve wafer type Features
Center Lined, Resilient Seat
Bi-Directional Sealing
Shutoff and Throttling Operation
Wafer Body Type, Lug Type or Flanged Type
Applicable Standards
Design & Manufacture: API 609, EN 593, AWWA C504
Face to Face Dimension: API 609, EN 558
End Connection: ASME B16.5, EN 1092
Test and Inspection: API 598, EN 12266
Sizes: 2" - 48" or DN50 - DN1200
Pressure Rating: Class150 or PN10 - PN16
Materials of Valve Body: GG25, A126 B, GGG40, A536, WCB, LCB, CF8, CF3, CF8M, CF3M, etc.
Operated by: Lever, Gear, Pneumatic, hydraulic and Electric actuator