Electric valve lectotype attention point

by:AIRWOLF     2020-05-19
Mainly in the selection of electric valves should pay attention to the following aspects: 1, the types of power supply; 2, the types of control ( Switch type, external regulation) ; 3, the regulator control signal, feedback signal; 4, the size of the valve body, type; 5, connection form; 6, the use environment.
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