Size Range: 1/2 Inch - 24 Inch, DN15 - DN3500.
Class Range: 150 LB - 900 LB, PN1.0 - PN6.4.
Material: ASTM A216 WCB, Stainless Steel, Cast Iron, Ductile Iron, etc.
Design and Manufacture: API 609, MSS SP-67, MSS SP-68.
Inspection and Test: API 598.
End flange dimension: ASME B16.5 (NPS≤ 24), ASME B16.47 B.
BW end dimension: ASME B16.25.
Face to face and end to end: API 609.
Pressure-temperature ratings: ASME B16.34.
Wafer Butterfly Valve Double Eccentric series are used to metallurgy, light industry, electric power, petrochemistry, Coal gas channel etc.