25
2021-11
Knowledge of electric and pneumatic valves
Pneumatic valve is a valve whose valve body is opened and closed by compressed air. Electric valve refers to the valve controlled by electric actuator, so as to realize the opening and closing of the valve. Its action force distance is larger than that of
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25
2021-11
Introduction to fire resistance and installation precautions of regulating valve
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25
2021-11
How to adjust the feedback signal of electric control valve?
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