The important parameters of related electric butterfly valves are those pneumatic butterfly valves with excellent performance and great use. What is the difference between electric ball valves and ordinary ball valves? What technology must be mastered for the use of electric ball valve? Identify which commonly used pneumatic butterfly valve types are popular according to the five characteristics of the electric butterfly valve?
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3、 Pneumatic relay Pneumatic relay is a kind of power amplifier, which can send the air pressure signal to a far place to eliminate the lag caused by the extension of the signal pipeline. It is mainly used between the field transmitter and the regulating instrument in the central control room, or between the regulator and the field regulating valve. Another function is to amplify or reduce the signal.