The Roto-Twist® RT-100 series of patented radial and rectangular cable operated dampers are designed for inside the air stream applications. Airflow balancing is performed at the face of the diffuser or grille, thereby eliminating the need to penetrate ceilings or walls to locate cable termination points. Dampers ship fully assembled, requiring only three simple steps for installation.
- Cable routing and cable termination inside the ductwork
- Rotary cable actuation is utilized for damper adjustment
- Airflow balancing performed at the face of the diffuser or grille
- No need to penetrate ceilings or walls to locate cable termination points
- Products ship fully assembled
- Dampers can be installed in 10 minutes! Watch the Video Now
- The RT-150 radial damper is available in galvannealed steel, aluminum, and stainless steel, in sizes from 6" to 15" in diameter
- The RT-100 aluminum rectangular opposed blade damper is available in sizes from 6 x 4 to 24 x 18. Sectional dampers are available for larger sizes
- Roto-Twist® method of damper adjustment utilizes a 1/4“ diameter steel rotary cable with press formed square ends
- Cable to damper connection is inside the duct
- Cable adjustment tip is located inside the air stream, behind the diffuser or grille
To learn about manual cable operated damper systems for applications outside the air stream
click here.
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