Wafer Check Valve
wafer dual-plate check valve
Size DN40-DN800
Working Pressure PN10/PN16
Face to Face DIN 3202-K3
Flange Drilling ANSI B16.1 Class 125,EN1092-PN10/PN16
Inspection and Test API1598
product features
wafer body 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 spring assist valve closure,preventing flow reversal
thrust washer reduce friction and wear of valve plate hinges.
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