Single Disc Check Valve, Swing Check Valve
Design standard: API 594, API 6D.
Body material: ASTM A216 WCB.
Nominal diameter: 20 Inch, DN500.
Pressure: Class 150 LB, PN20.
End connection: WAFER.
Face to face: ASME B16.10.
Working temperature: -29℃ - +425℃.
Test and inspection: API 598.
Product Range
Body Material: Carbon Steel, Stainless Steel, Alloy Steel.
Normal diameter: 1/2 Inch - 48 Inch (DN15 - DN1200).
End connection: Wafer, Lug, Clamp, Flanged.
Pressure range: CLass 150 LB - 2500 LB (PN10 - PN420).
Working temperature: -196℃ - +560℃.