Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
Wafer Type Swing Check Valve
Wafer Check Valves are opened by the fluid flow and closed as far as fluid flow stops or reverses direction.
Swing Wafer Check Valves is provided with limit stops to prevent disc from remaining in open position or damping device for prevent slamming, Where required, A hand operator can be provided enabling the valve to be locked in open or close position with indication of position.
The wafer Check Valves Available in Swing Type Wafer Check Valve & Lift Type Wafer Check Valve, Dual Plate and Single Plate Type. Fully Lugged or Flanged Connection
Standards available in API, DIN, BS, EN, SH & ISO etc.
Materials available in Standard Forged or Cast Carbon Steel, Stainless Steel, Duplex Stainless Steel and Monel etc.
Wafer Check Valve is with Main Features as below:
Nominal Pressure: 1/2" - 64" (DN15 - DN1600)
Pressure Ratings: Class #150 - Class #2500 (PN10 - PN420)
Design & Manufacture: API 6D, API 594, JB/T 8937-1999
Face-to-Face Dimension: API 6D, API 594, JB/T 8937-1999, DIN 3202
Inspect & Test: API 6D, API 598, JB/T 9092-1999
Rating: JB/T 74, SH 3406, DIN 2401, HG 20604, HG 20625, GB/T 9124, ASME B 16.34
Flanged Dimensions: JB/T 74-90, GB/T 13402, GB/T 9112-9124, HG 20592-20635, SH 3406, API 605, AWWA C207, ASME B 16.5, ASME B 16.47, DIN 2543-2548