Network optimization information:

According to the different valve structure, material and principle, solenoid valve is divided into six categories: direct diaphragm structure. Direct acting piston mechanism with step by step direct acting membrane structure and conductive diaphragm structure. Stepwise direct piston mechanism. Guide piston construction.

Solenoid valve selection: exhaust solenoid valve selection should first follow the four principles of safety, applicability, reliability and economy, and then six aspects of the field conditions (namely pipeline parameters, fluid parameters, pressure parameters, electrical parameters, mode of movement, special requirements)

Principle: safety; Corrosive medium: plastic solenoid valve is preferred, all stainless steel; For strong corrosive media, diaphragm type is preferred. In neutral medium, also preferentially use copper alloy as valve shell material pneumatic solenoid valve accessories, otherwise the valve shell often rust off, especially in infrequent occasions. Ammonia valves should not use copper. Explosion environment: the corresponding grade of explosion-proof products must be selected. Waterproof and dustproof products should be selected for outdoor installation or places with more dust. Solenoid valve rated pressure shall exceed the working pressure of the pipeline.