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    Damper Accessories

    Ball Joints, Push Rods and Crank Arms

    Ball Joints, Push Rods and Crank Arms

    Overview

    Ball joint and linkage accessories support damper and actuator assemblies.

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    MSxx03 27 lb-in. and MSxx05 44 lb-in. Spring Return Direct Coupled Actuators

    MS3103, MS3105, MS4103, MS4105, MS7403, MS7405, MS7503, MS7505, MS8103, MS8105 Spring Return Direct Coupled Actuators (DCA) are used within heating, ventilating, and air-conditioning (HVAC) systems.
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    Modutrol Actuator with Modulating Control

    Series 71, 72, and 76 Modutrol IV™ Motors are spring return and non-spring return motors used to control dampers and valves. The motors accept a current or voltage signal from an electronic controller to position a damper or valve.
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    Series 41 and 81 Modutrol IV™ Motor

    Series 41 and 81 Modutrol IV™ motors are 2-position (line and low-voltage control, respectively) spring return motors.
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    MSxx10 88 lb-in. and MSxx20 175 lb-in. Spring Return Direct Coupled Actuators

    MS3110, MS3120, MS4110, MS4120, MS7510, MS7520, MS8110, MS8120 Spring Return Direct Coupled Actuators (DCA) are used within heating, ventilating, and air-conditioning (HVAC) systems.
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    Modutrol Actuator with 3-Point Control

    Series 61 and Series 62 Modutrol IV™ Motors are 3-wire spring return and non-spring return floating control motors.
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    Modutrol Actuator with 135 Ohm control

    Series 90 Modutrol IV™ Motors are spring return and non-spring return modulating proportional control motors. These motors are used with controllers that provide a Series 90 output to operate dampers or valves.

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