Electric plastic butterfly valve D971X 
 Model RPP of, UPVC, CPVC, PVDF electric plastic butterfly valve / D971X-10S features of 
 Position feedback signal of the servo operation and opening has a machine, position indicator, manual operation, functional, reliable performance, simple connection, as the power supply voltage AC220V or AC380V to accept a unified standard signal (4-20mA DC 0-10mA DC or 1-5V DC, 0-10V DC), this into the input signal corresponding to the displacement, angular displacement (0 to 90o) Sports, change the rotation of the ball core opening, so a certain amount of input The signal corresponding to a certain position opening to achieve proportional control action. (Two switch-to AC220V or AC380V supply voltage for power, motor reversing switch action, and at the same time the output of the switch valve position indication signal). Is a high precision, high-performance, high reliability products 
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