Overview
The Johnson Controls DMPR-KC050 is a heavy-duty damper control accessory crank arm designed for commercial HVAC systems and building automation environments. It establishes a secure connection from an actuator drive shaft to a damper blade pin extension, translating actuator rotation into precise damper blade movements.
Features
- Slotted design allowing for an adjustable travel radius
- Heavy-duty, rigid construction that resists mechanical fatigue and deformation under repeated cycling
- Tight-tolerance machining for a secure, slip-free bore fit
- Facilitates smooth motion transfer to minimize wear on damper bushings and actuator motors
Specifications
- Product Type: Crank Arm Linkage Accessory Kit
- Compatible Shaft Diameter: 7/16 inch
- Adjustable Radius Range: 1 to 2-3/4 inches
- Weight: 3 lbs
- Dimensions: 2 x 2 x 2 inches
Applications
- Control damper assemblies in high-performance air handling units
- New installations and field retrofits for commercial HVAC systems
- Terminal unit transitions requiring a standard 7/16-inch linkage connection
- Airflow control configurations within building automation networks


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