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标题:Wafer Dual Plates Check Valve
正文:
Wafer Dual Plates Check Valves Applicable standards: Steel check valve, API 594 / API 6D Steel check valves, ISO 14313 Steel valves, ASME B16.34 Face to face, ASME B16.10 Flanges end, ASME B16.5 Inspection and test, API 598 / API 6D Design description: One piece body Butterfly swing type Dual-plate disc, Long-pattern Renewable split disc Hotizontal or vertical service Wafer ends Available with flanged ends Wafer Dual Plates Check Valve SpecificationsWafer check valves, also know as dual-plate check valves, has two spring loaded half-moon shaped discs that rotate about their shaft. The disc plates are kept shut by the torsion spring. When fluid flows in the forwards direction, the pressure of the fluid causes the disc plates to hinge open
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