• Series 7000 CW: Medium-Duty

Counterweighted Backdraft Damper

Series 7000 CW: Medium-Duty

  • Counterweights are fully adjustable and can be set to relieve air pressure differentials less than .01″ w.g.
  • Aluminum pivot points are over-sized for additional strength and durability.
  • Silicone seals are provided as standard to ensure sealing longevity and remain flexible down to -40° F/C.
  • Tamco’s counterweighted backdraft damper blades are securely linked via a large diameter aluminum linkage rod.
  • Tamco’s dual bearing linkage system is self-sealing, self-lubricating, and non-absorbent, resulting in a maintenance-free performance.
  • For horizontal and vertical airflow operation

FIND A REP

  • Applications
  • Leakage
  • Options
  • Profiles
  • Documents

Series 7000 CW Medium-Duty, Maintenance-Free Counterweighted Backdraft Damper:

  • Ideal for installations requiring a maintenance-free backdraft damper with field-adjustable pressure relief
  • Used to accelerate opening of blades and designed to allow opening at lower pressures and airflow velocities

Air leakage through a 24″ x 24″ (610mm x 610mm) backdraft damper does not exceed 4.32 cfm/ft² (21.95 l/s/m²) against 1″ (0.25 kPa) w.g. differential static pressure at standard air.

MR – Moisture Resistance Option:

  • All zinc-plated steel hardware is replaced with stainless steel, protecting hardware from rust and corrosion when exposed to high humidity or high moisture environments.

SW – Salt Water Resistance Option:

  • Extruded aluminum frames, blades and hardware are clear anodized to a depth of 0.7 mil. (18 microns). This prevents rusting and pitting when backdraft dampers are exposed to salt spray or high humidity environments.
  • All zinc-plated, steel hardware is replaced wtih stainless steel, protecting hardware from rust and corrosion.
  • All aluminum linkage hardware parts are clear anodized.

Please click the option above that is most applicable to you for more information.

SP – Standard profile

  • Manufactured with 4” (101.6 mm) deep frames
  • Manufactured with blades that are a maximum 6” (152.4 mm) deep.

Series 7000 CW Specifications and Performance Data

Download PDF Document
Download PDF Document (French)

Series 7000 CW Suggested Specifications

Download Microsoft Word Document
Download Microsoft Word Document (French)

Tamco Medium-Duty Backdraft Damper Installation Guidelines

Download PDF Document
Download PDF Document (French)

Medium-Duty Backdraft Damper Schedule

Download Microsoft Excel Document
Download Microsoft Excel Document (French)