Electric pneumatic valve obligation to environment

usually state, the obligation of environment of electric pneumatic valve has the following kinds:
, indoor device or a protective way outdoor applications.
and outdoor device, such as wind, sand, rain, sunshine erosion;
, flammable, explosive gas or dust environment;
, humid tropics, and dry environment;
and pipeline medium temperature can reach above ℃;
below - ℃, environment temperature;
and vulnerable to water or flooding;
and radioactive substances ( Nuclear and radioactive material test device environment;
, ships or dock ( Have salt spray, mold and humid environment;
and have severe vibration occasions; Easy to fire situation;
to the environment of the electric pneumatic valve, the electric device structures, materials and protective measures are different. Therefore, should be based on the above obligations environment choose corresponding pneumatic valve electric device.