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Solenoid Valves pilot head
The solenoid valve industry makes extensive use of solenoid valve pilot heads. High-pressure solenoid valves fall under one of two structural categories among them: direct acting and pilot operated. The valve can achieve zero leakage thanks to the innovative three-dimensional sealing construction, which allows for flexible selection of various sealing materials. According to their materials, high-pressure solenoid valves can be separated into brass and stainless steel solenoid valves.
Solenoid Valves Pilot Head
Solenoid valve pilot heads are widely used in the solenoid valve industry. Among them, high-pressure solenoid valves are divided into two structural principles: direct-acting and pilot-operated. The leading-designed three-dimensional sealing structure can flexibly choose different sealing materials, and the valve can achieve zero leakage. High-pressure solenoid valves can be divided into brass solenoid valves and stainless steel solenoid valves according to their materials.
The structural features of Solenoid Valves Pilot Head
Pilot diaphragm type, maximum pressure 50bar
Compact design, delicate and beautiful, low temperature rise, no noise, zero leakage
Quick action response, high frequency, reliable quality
If the medium contains impurities, a filter must be installed in front of the valve (the filter screen is greater than or equal to 80 mesh/cm2); and there is no solidification or crystal phenomenon.
The working principle of Solenoid Valves Pilot Head
Normally closed: when the coil is energized, the pilot spool pulls in, the pilot hole opens, the pressure in the upper cavity of the valve is relieved, the piston is pushed by the medium pressure in the lower cavity, and the solenoid valve opens; when the coil is powered off, the pilot spool is reset by the spring, and the pilot The hole is closed, the upper chamber of the valve is pressurized by the piston orifice and the thrust of the return spring, and the solenoid valve is closed.
Normally open: When the coil is energized, the pilot hole is closed, the upper chamber of the valve is pressurized by the piston orifice and the thrust of the return spring, 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 relieved, the piston is pushed by the medium pressure of the lower chamber, and the solenoid valve is opened.
