How to use solenoid valves
Electromagnetic valve is an industrial equipment controlled by electromagnetic technology, which is an automation basic component used to control fluids. It belongs to actuators and is not limited to hydraulic or pneumatic systems. Its usage mainly includes the following steps:
1. Determine the type and structure of the solenoid valve
There are three main types of solenoid valves: direct acting solenoid valves, step-by-step direct acting solenoid valves, and pilot operated solenoid valves. Each type of solenoid valve has its specific working principle and applicable scenarios.
2. Select solenoid valves based on fluid parameters
When selecting an electromagnetic valve, it is necessary to consider the properties of the fluid, such as the pressure, temperature, and corrosiveness of the medium. For corrosive fluids, corrosion-resistant solenoid valves and all stainless steel materials should be selected; For high-temperature fluids, it is necessary to choose electromagnetic valves made of high-temperature resistant electrical and sealing materials.
3. Select solenoid valves based on electrical parameters
Voltage specifications should prioritize AC220V and DC24, which are more convenient. In addition, it is necessary to consider factors such as the continuous working time and action mode of the solenoid valve.
4. Install the solenoid valve
The installation of solenoid valves needs to consider pipeline parameters and pressure parameters. Generally speaking, the interface method should be selected based on the DN size. For example, for DN50, a flange interface should be selected, and for ≤ DN50, it can be freely selected according to user needs.
5. Connect the solenoid valve
Connect the air source port of the solenoid valve to the air source of the system, then design a circuit diagram based on the control logic, and connect the circuit according to the diagram.
6. Test the solenoid valve
After installation, the solenoid valve can be tested for normal operation by manually pressing or rotating the switch button. If the solenoid valve can operate normally under manual operation, the problem may be with the coil, which needs to be replaced; If the solenoid valve does not respond to manual operation, it may be a problem with the valve body or core, which needs to be disassembled and repaired.
