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. An excellent choice for HVAC design.

Features:

• Telescoping Blade Shafts - Extend or contract to the right length to fit any damper installation area.
• In-Jamb Linkage - Fits neatly into openings without the need for on-blade damper linkage.
• Reinforced Airfoil Blades - Blade design for 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.

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