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Features:
The valve cores are stainless piston type, and the piston rings are made of special temperature-resistant and wear-resistant materials; the piston and the metal valve chamber do not generate direct friction; the valve body installation direction is not limited; special coils are adopted and the heat-dissipating structure is adopted, so it is not easy. Burned; a long-term stop action restart, the action is also sensitive; minimum starting pressure 0.2MPa.
working principle:
Normally closed: when the coil is energized, the pilot valve core is closed, the pilot hole is opened, the pressure on the valve is released, the piston is pushed by the medium pressure of the lower chamber, and the electromagnetic valve is opened; when the coil is powered off, the pilot valve core is reset by the spring, and the pilot hole Closed, the upper cavity of the valve is pressurized by the piston orifice and the thrust of the return spring is closed, and the valve is closed.
Normally open: when the coil is energized, the pilot hole is closed, the upper cavity of the valve is pressurized by the piston throttle hole and the thrust of the return spring is closed, and the solenoid valve is closed. When the coil is de-energized, the pilot valve core is reset by the spring, the pilot hole is opened, the upper chamber of the valve is depressurized, the piston is pushed by the medium pressure of the lower chamber, and the electromagnetic valve is opened.
Characteristics and working principle of imported stainless steel solenoid valve
Imported stainless steel solenoid valve is widely used in shipbuilding heavy industry, test equipment, heating equipment, hydraulic equipment, etc., working temperature is above 300 °C in the thermal system.