Types of solenoid valves are: distribution of direct-acting solenoid valves, pilot operated solenoid valves, collector valves, imported direct-acting solenoid valves, diverter valves, solenoid valves for imported steam and so on.
1, distribution of direct-acting solenoid valve
Distribution of direct-acting solenoid valve is a combination of direct-acting and pilot-operated principle, through the energization of the electromagnetic force will be closed to lift upward, the valve opens; power failure, the electromagnetic force disappeared, the spring will be closed to the closed part of the valve seat, the valve closed. Distribution of direct-acting solenoid valve is characterized by zero differential pressure or vacuum, high pressure can also work properly, but the through diameter is generally not more than 25mm. distribution of direct-acting solenoid valve action is through the coil is energized, the spool lifting, the valve is open or closed.
2, pilot operated solenoid valves
Pilot operated solenoid valves are a common type of solenoid valve, the principle is that when energized, through the electromagnetic force to open the pilot hole, so that the fluid pressure rises, and then close the valve. Imported pilot operated solenoid valves, on the other hand, utilize electromagnetic force to lift the valve stem, so that the valve port is opened and the valve is closed by spring force. Pilot operated solenoid valves are suitable for some high-pressure occasions, such as differential pressure greater than 0.1Mpa or more. Compared with other types of solenoid valves, pilot operated solenoid valves have the advantages of simple operation, high precision, fast response speed.
3, collector valve
Collector valve is a kind of valve opposite to the collector valve, its role is to make the flow into the collector valve proportional distribution. The role of the collector valve is to make the flow of the two actuators together to form a greater pressure to achieve the role to be achieved. There are two types of collector valves. A collector valve only requires the type to be set, while a flow collector valve requires the adjustment parameters to be set. The function of the collector valve is to control the flow so that the fluid can flow smoothly, thus realizing the needs of industrial production.
4, imported direct-acting solenoid valves
Imported direct-acting solenoid valves are energized, the electromagnetic coil generates electromagnetic force to lift the shut-off piece from the seat, the valve opens; when the power is cut off, the electromagnetic force disappears, and the spring presses the shut-off piece on the seat, the valve closes. Imported direct-acting solenoid valve is suitable for vacuum negative pressure, zero differential pressure or self-flowing state of the medium, can also be used for small diameter pipeline. It has a compact design, easy to operate, suitable for a variety of working environments. Imported direct-acting solenoid valve has a wide range of applications in the industrial field, to meet a variety of needs.
5, shunt valve
Shunt valve is a kind of valve that can make the two actuators of the same hydraulic source get equal flow. It has two parallel actuating elements and can be an equal flow divider or proportional flow divider. By setting the diverter valve, two actuating elements in the same hydraulic source can be made to get equal hydraulic values at different positions. The function of the diverter valve is to realize the flow distribution of the hydraulic system and improve the efficiency and quality of the hydraulic system.
6, imported steam solenoid valve
Imported steam solenoid valve is a kind of solenoid valve used for steam medium switch cut-off, with high temperature and corrosion resistance. It is suitable for steam pipeline for two-position automatic and remote on-off switching, widely used in petroleum, chemical, metallurgy, textile, food, medical, environmental protection and other industrial sectors in the management of the device. Imported steam solenoid valve can realize temperature control, energy saving and program control automation, widely used in various industrial equipment.
Reference: Baidu Encyclopedia - Diverter Valve
Reference: Baidu Encyclopedia - Direct Acting Solenoid Valve