How many types of solenoid valve there are?

According to solenoid valve action types, the solenoid valves can be divided into three types: direct acting solenoid valve, pilot operated solenoid valve and double acting solenoid valve.
According to the mediums that the solenoid valve applied to, the solenoid valves can be divided into liquids solenoid valves, steam solenoid valves, air solenoid valves and liquids-air solenoid valves. Liquids solenoid valves (solenoid valve for water)can be applied to liquids or water with temperature from -5℃~80℃. Steam solenoid valves can be applied to steam with temperature from -5℃~180℃. Air solenoid valves (solenoid gas valve)can be applied to air or gas with temperature from -5℃~80℃. Liquids-air solenoid valves can be applied to liquids, water, air or gas with temperature from -5℃~80℃.
According to the solenoid valve body materials, the solenoid valves can be divided into brass solenoid valves, stainless steel solenoid valves, plastic solenoid valves and cast iron solenoid valves.
According to the solenoid valve ends connection type, the solenoid valves can be divided into threaded ends solenoid valves and flanged ends solenoid valves.
According to the solenoid valve normal position, the solenoid valves can be divided into normally closed solenoid valves and normally open solenoid valves.
According to the solenoid valve port no, the solenoid valve can be divided into 2 way solenoid valve, 3 way solenoid valves and 4 way solenoid valves.
According to the solenoid valve working voltage, the solenoid valve can be divided into 12V DC solenoid valve, 24V DC solenoid valve, 110V AC solenoid valve and 220V AC solenoid valve.
Now, in the world, the most familiar solenoid valve manufacturers (solenoid valve supplier)are ASCO solenoid valve, Parker solenoid valve, SMC solenoid valve, Burkert solenoid valve, Herion solenoid valve, EGR solenoid valve, Danfoss solenoid valve, Rotex solenoid valve, Lucifer solenoid valve, Humidifier solenoid valve, CKD solenoid valve, and Vickers solenoid valve, etc.
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