Pilot-operated solenoid valve, when energized, relies on electromagnetic force to lift the valve stem, and the pilot valve port opens. At this time, the upper chamber of the solenoid valve is relieved by the pilot hole, and a pressure difference between the upper and lower high is formed around the main spool, and the pressure difference is exerted. Next, the fluid pressure pushes the main spool upward to open the main valve port; when the power is off, under the action of the spring force and the gravity of the main spool, the valve stem is reset, the pressure of the upper chamber of the solenoid valve is raised, and the fluid pressure pushes the main spool Move down and the main valve port closes.
characteristic
Pilot diaphragm structure, low function.
The protective diaphragm structure is designed to extend life by a factor of two.
The piping can be installed at any angle. For enhanced life, it is best to have the horizontal pipe coil facing up.
Coil protection class IP65.
Applicable medium: liquid, water, hot water, gas, oil, gas, etc.
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