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The pump control valve is a pilot operated valve designed for installation on the discharge of booster pumps to eliminate pipeline surges caused by the starting and stopping of the pump. The pump starts against a closed valve. When the pump is started, the solenoid control is energized and the valve begins to open slowly, gradually increasing line pressure to full pumping head. When the pump is signaled to shut-off, the solenoid control is de-energized and the valve begins to close slowly, gradually reducing flow while the pump continues to run. When the valve is closed, a limit switch assembly, which serves as an electrical interlock between the valve and the pump, releases the pump started and the pump stops. Should a power failure occur, a built-in, lift-type check valve closes the moment flow stops, preventing reverse flow regardless of solenoid or diaphragm assembly position.
Global shut off valve headquarters(Headquarters)
PENTAIR VALVES AND CONTROLS INC
7760 FRANCE AVE,S,11THFL.
BLOOMINGTON,MN55435
T+323-908-8554
Pentair valve and control solutions (Asia Pacific, Shanghai, China)
Baozhen IndustrialPark,Chongming
Shanghai202157 P R China
T+86-021-57961888
pentairflow.com
pentair@pentairflow.cn
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