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butterfly valve

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Butterfly valve---10/16/2009
Power Supply usually has: AC220V AC380V so.

input signal: 4 ~ 20mA 0 ~ 10v so weak signals.

by modulating electric actuator and the stem connected well after commissioning; to power as a driving force to drive a hard seal butterfly valve plate, for 0 ~ 90 part of the rotary motion.

receiving industrial automation control system 4 ~ 20mA signal to precisely control the valve opening to achieve the flow, temperature, pressure and the regulation of various process parameters and control.
hard seal butterfly valve driven power than the form of addition are: manual, worm gear rod drive, pneumatic and so on.

whether the form of the valve connected to the clip-on flange, flange connection and welded connections.