Several key points of solenoid valve

1. Solenoid valve is the basic component of automation technology used to manipulate liquid, which belongs to electric actuator; it is not limited to hydraulic press, pneumatic type. Solenoid valves are used to control the fluidity of hydraulic machines. The machinery and equipment of processing plants are usually operated by hydraulic pressure, so solenoid valves are used.

2. Features

In the vacuum pump, negative pressure, zero pressure, everything should be in normal operation, but the pipe diameter should not exceed 21mm under normal circumstances.

It can also be capable of posture when there is zero pressure difference or high pressure of the vacuum pump, but the rated power is relatively large, and it is stipulated that the installation must be level.

The liquid working pressure category has a high limit, and it can be installed at will (need to be customized), but it must meet the liquid pressure difference standard.

3. Common solenoid valve markings

In the design process, it is often necessary to look at the gas circuit diagram. However, many pneumatic types used in the gas circuit diagram

The contactor symbol often makes us feel difficult, because people born in the automation control course, under normal circumstances, have not systematically studied the pneumatic marking specifications for mechanical majors. Here, a brief introduction of several types of solenoid valve markings that are usually used in the gas circuit diagram is convenient for the automation control design staff to more directly understand the solenoid valve gas circuit diagram.