Silence check valves consists of valves body,seat,diversion shuttle,disc,bearing and spring etc..The bore is flow-line designed so pressure loss is very little.The disc's stroke is very short and when stop the pump the valves can close quickly and prevent the great noise from water-hammering so the valves can close quietly without any noise .It is widely used in feeding/draining system,fire protection and heat supplying system,and it is installed at the outlet of the pump to prevent backward fluid's and water-hammering's damage to the pump.
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