M91xx actuators are designed to position air dampers and valves in HVAC systems. Applications include: positioning return air or exhaust dampers, controlling face and bypass dampers, positioning blades for variable volume fans, positioning VF Series butterfly valves, and positioning VG1000 Series ball valves. Two of the following models provide twice the amount of running torque of a single unit when mounted in tandem: M9116-GGx or -HGx, M9124-AGx, -GGx or -HGx, and M9132-AGx or – GGx.
Refer to the manufacturer’s information to properly size the damper, valve, and/or actuator. These compact M91xx actuators use a DC motor with stall detection circuitry that operates throughout the entire stroke.
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