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Electric hard sealing butterfly valve works
The working power usually has: AC220V AC380V and so on. Input signal: 4 ~ 20mA 0 ~ 10v and other weak signals. After the adjustment of the electric actuator and the stem connection after debugging good; electric energy as a driving force to drive the hard seal butterfly valve disc for 0 ~ 90 ° part of the rotary motion. Receive industrial automation and control system 4 ~ 20mA signal to accurately control the valve opening, so as to achieve flow, temperature, pressure and other process parameters of the regulation and control. In addition to the form of hard seal butterfly valve drive are: manual, worm gear transmission, pneumatic and so on. Valves are available in the form of flange-to-clip, flanged and butt-welded connections.