check valve dual plate wafer type
Wafer dual plate cast iron check valve
|TECHNICAL REQUIREMENT :|
|Face to Face||BS5155; EN558; 13 series etc.|
|Flange Drilling||DIN2501; PN10 / PN16|
|Inspection and Test||API598|
*. Wafer bodyu style fits between FF or RF flanges.
*. Upper and lower PTFE thrust washers
*. Resilient Buna-N or EPDM seat
*. Dual Plate Valves give maximum strength with minimum opening time.
*. Torsion springs assist valve closure, preventing flow reversal
*. Thrust washers reduce fricition and wear of valve plate hinges.