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Pilot operated solenoid valves with assisted lift work in a very similar way to pilot operated solenoid valves,
however the diaphragm is coupled to the moving core.
When the coil is energised, at low pressures the diaphragm is lifted directly by the moving core. At higher
pressures the diaphragm is assisted by the internal pressure in the valve.
Assisted lift valves can operate at zero pressure differential however are not available in the normally open configuration.
Typical applications where assisted lift valves are used.
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