Boiler Mounting - Feed Check Valve

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FEED CHECK VALVE

Function: 
It is used to control the supply of water to the boiler & to prevent the escaping of water from the boiler when the pump pressure is less or pump is stopped.

Working: 
Under normal working condition, the pressure on the feed pump side (connected to elbow) is more than the boiler side pressure. This pressure difference lifts the check valve. To allow the feed water to enter the boiler, the feed valve is lifted manually. Hence, the feed water may enter the boiler. In order to control the supply of feed water to the boiler, the position of the feed valve is controlled. In the event of failure of feed pump, the pressure on the water sump side reduces. The check valve will be closed because of higher

Image - Feed Check Valve





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