Series 77 Type C - Horizontal Dynamic Fire Damper with Round Collar

Series 77 Type C - Horizontal Dynamic Fire Damper with Round Collar

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Standard Profile Fire Damper – 4¼” 22Ga 1 Piece Rollformed Frame
Dynamic for Installation in Systems Where Fans Remain Running During Fire and Smoke Control
UL Classified UL 555 – 1½ Hour Rating, Dynamic for Use in Installations Rated Less Than 3

Specifications:

Blades

Blades and Frame Out of Air-Stream 100% Free Area

Material

Galvanized Steel – Standard
Stainless Steel – Optional

Fusible Link

165° Rated Link – Standard
212° Rated Link – Optional

Orientation

Available for Vertical or Horizontal Installations with Round, Oval, or Rectangular Collars

22Ga Optional Sleeves

12” Sleeve – Standard
8”, 17”, 20”, or 24” Lengths – Optional

Vertical Sizes

4” to 31”
Oval and Rectangular 6” x 6” to 34” x 31”

Horizontal Sizes

4” to 20”
Oval and Rectangular 6” x 6” to 22” x 20”

These products are custom made and, according to our policy, can not be returned or refunded. Please connect with our team if you need to double check any sizes