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Check valve
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Related Category:Swing Type Check Valve | Double Plate Wafer Type Check Valve | Wafer Type Lift Check Valve | Forged Steel Check Valve
Check valve are normally allows fluid to flow through it in only one direction. When fluid flow stops, gravity and flow reversal closes valve. So they are widely used in petroleum refining, long-distance pipelines, chemical, papermaking , water conservation, electric power, steel industry and other industries.