(valve water)water pilot operated valves(pilot valve)

ZCT pilot diaphragm type solenoid valves

 This type electromagnetic valve is normally open pilot type electromagnetic valve. When the coil is electrified, the electromagnetic force sucking armature wire, pilot mouth opening, due to that stream pressure relief .valve membrane cavity force is reduced, under the action of pressure  valve membrane rise, the main valve port open, the coil out of power, the armature group fall, closing the pilot valve port, valve membrane cavity pressure rising, the valve membrane is pressured, the main valve port closed.

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