DRVZ flange silent Check Valve primarily consists of body, seat, diversion body, disc, bearings and springs and other components. The internal flow channel adopts streamlined design, with a very small pressure loss, and the valve hoist stroke is very short. When stoping the pump, it can be quickly shut down, to prevent the huge sound of water hammer, and with a silent closure characteristic. The Valve is mainly used for water supply and drainage, fire protection, HVAC systems, it can be installed on pump outlet, to prevent backflow and the pump damage caused by water hammer, effectively protecting the pump's normal operation.

Dimensions & constructral diagram

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