The electrical symbol of the solenoid valve is shown below:
The solenoid valve (Electromagnetic valve) is an industrial device controlled by electromagnetism, which is used to control the automation of the basic components of the fluid, belonging to the actuator, and is not limited to hydraulic and pneumatic. Used in industrial control systems to adjust the direction of the medium, flow, speed and other parameters.
Solenoid valves can be used with different circuits to achieve the desired control, while the control of precision and flexibility can be guaranteed. There are many kinds of solenoid valves, different solenoid valves play a role in different positions of the control system, the most commonly used are check valves, safety valves, directional control valves, speed regulating valves and so on.
Expanded information:
Precautions:
1, the valve should be noted that installation The arrow on the valve should be consistent with the medium flow direction. Can not be installed in a direct drip or splash of water. Solenoid valve should be installed vertically upwards.
2, the solenoid valve should ensure that the power supply voltage for the rated voltage of 15% -10% fluctuations within the normal operation.
3, solenoid valve installation, there shall be no reverse differential pressure in the pipeline. And need to be energized several times to make the right temperature before officially put into use.
4, solenoid valve should be thoroughly cleaned before installation. Passed into the medium should be free of impurities. Valve before the installation of filters.
5, when the solenoid valve failure or cleaning, in order to ensure that the system continues to operate, should be installed bypass device.
Baidu Encyclopedia - Solenoid Valve