Utility equipment engineer solenoid pneumatic valve of common sense

a, security:
. Corrosive medium: appropriate chooses plastic king solenoid pneumatic valve and all stainless steel; Strong corrosive medium must choose the isolation diaphragm. Patients with CD - F。 ZCF。 Neutral medium, also should choose copper alloy electromagnetic pneumatic valve for pneumatic valve shell material, otherwise, has a tendency to rust particles fall off pneumatic valve shell, especially the actions do not frequent occasions. Cannot use the copper ammonia with pneumatic valve.
　　. Explosive environment: must choose corresponding level of explosion-proof products, open-air installation or dust should choose more occasions waterproof, dust-proof varieties.
　　. The nominal pressure pneumatic valve should exceed the maximum working pressure inside. Applicability:
2,
.
medium characteristics. Gas, liquid or mixed state respectively choose different varieties of pneumatic valve, electromagnetic example ZQDF for air ZQDF - Y used for liquid, ZQDF - ( Or - Used for steam, otherwise easy cause misoperation. ZDF series multi-function solenoid pneumatic valve is all in the air. The liquid. When the best order confess medium condition, installation mode again users don't have to.
　　. Medium temperature of different specifications products, otherwise the coil will burn, seal aging, seriously affect the life of life.
　　. Medium viscosity, usually under cSt. If more than this value, size is greater than the mm with ZDF series multi-function solenoid pneumatic valve for special orders. Size is smaller than the mm high viscosity solenoid pneumatic valve.
　　. Cleanliness is not high medium should be in front of the solenoid pneumatic valve equipped with recoil filter, pneumatic valve, pressure is low straight moving electromagnetic pneumatic diaphragm valve is used in the fair for such as a CD - P。
　　. If the directional flow, and are not allowed to go back ZDF - N and ZQDF - N list must be two-way flow, for special requirements, please put forward.
　　. Medium temperature should fall in the range of solenoid pneumatic valve allows.