pdf GW C300 Pump Control Valve

GW C300 Pump Control Valve
This valve is used where excessive uncontrolled pressure surges from the kick-in of fire pumps shall be avoided. The C-300 Pump Control valve is installed near the fire pump outlet, and is open in the stand-by position. When the fire pump starts, the full flow capacity of the C-300 Pump Control valve is discharged to drain. Immediately at pump start the C-300 valve pilot will monitor the pumped pressure and starts to close untill the pump pressure equals the pilot set-pressure of the C-300 valve, thus providing a controlled fire pump pressure increase to the pipe system - and preventing the damaging effects of surge and water hammer. For optimum pressure surge control the C300 valve should be selected with a flow capacity 1,5 x pump capacity.

GW Sprinkler A/S

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