Shanghai Kolink Valve Co., Ltd.
VALVES & PIPE FITTINGS
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Duo Check Valve Cast Steel Dual-Plate Wafer Check Valve Double-door
Features of Dual-Plate Wafer Check Valves:
Lift Spring Loaded Disc Design
Bolted Cover
Internal Hinge Pin Design Standard
Through-body Hinge Pin Design Available
Renewable Seat
Flanged or Butt-welding Ends
One-way flow Control
Applicable Standards of Dual-Plate Wafer Check Valves:
a) Design&Manufacture: API 6D, BS 1868, ASME B16.34
b) Face to Face: API 6D, ASME B16.10, EN 558
c) Connection End: ASME B16.5, ASME B16.25, EN 1092, JIS B2220
d) Test and Inspection: API 6D, EN 12266, API 598, BS 6755