... -10V/2-10V choice Actuator Operating power: 5VA The QM/QF series of electric valve actuators are used in heating, ventilation ... can be used to reverse the direction of action. The QF series of electric valve actuators are controlled by an on ... Body: Cast copper or Stainless Steel ,Shaft Stainless Steel,ActuatorActuator: QF/QMOutput torque: 10, 16, 25, 40N.mPower supply: AC220V or ...