The 517 - 518 Series
Steel Airfoil Blade HVAC Damper
The 517 - 518 series HVAC dampers provide top-tier air performance, a higher maximum air velocity, and the tightest closer of any other control damper, all in one package. These are our most advanced control dampers yet.
- Telescoping Blade Shafts - Extend or contract to the right length to fit any installation area.
- In-Jamb Linkage - Fits neatly into openings without the need for on-blade linkage. Don't compromise air flow!
- Reinforced Airfoil Blades - Special, reinforced blade design. Higher operating air velocities and higher air pressures with no blade distortion.
- Double-sided Blade Seals - Seals on front and back edges of the blade, sealing at both ends of the blade.
- Class 1A Air Leakage - AMCA Rated for Air Leakage performance with the lowest leakage rating, Class 1A.
- 5000 FPM - A maximum static pressure of 5000 feet per minute. Max static pressure will vary by model size.
The 517 - 518 series control dampers are available in parallel or opposed blade orientation. Visit our website for full details and to download the submittal.