HD77(6)X Wafer Type Double Disc Check Valve

This valve adopts wafer type installation. It is mainly used in pipelines or at pump outlets as a safety device to prevent medium backflow and reverse pump rotation caused by differential water hammer when the pump stops. The valve features small size, light weight, easy installation and maintenance, a guiding mechanism, flexible and rapid closing, and the ability to prevent large backflow pressure differences, thereby providing noise reduction. It is suitable for water supply and drainage, fire protection, HVAC, and other pipelines or pump outlets to prevent damage to pipelines and pumps caused by water hammer from medium backflow.