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Caoyang, Shanghai, Shanghai
The QM/QF series of electric valve actuators are used in heating, ventilation, and air-conditioning (HVAC) applications. The QM series of electric valve actuators are modulating control actuators used with controls that provide an analog output of 0 to *0Vdc, 2 to *0Vdc or ***0mA. The internal selector plug can be used to reverse the direction of action. The QF series of electric valve actuators are controlled by an on/off output. FEATURES l Low power consumption l Position feedback by signal l Direct/reverse acting l ***0mA/***0V/***0V choice l Maintenance free l Quick and easy installation l No separate linkage required l Accurate valve positioning l Indicator Continuous Position Indicator l Manual Override Non-clutch design l Gear Permanently lubricated and self locking l Stall Protection Built-in thermal protection
