GEMÜ 639 eSyStepMotorized diaphragm valve
The GEMÜ 639 is a motorized 2/2-way diaphragm valve. The eSyStep electric actuator is available as ON/OFF or with integrated positioner. An integral optical and electrical position indicator is standard. The self-locking actuator holds its position in a stable manner when idle and in the event of power supply failure.
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