AVI-75 Type A | 1½ Hour Rated

Fire Damper With Standard Profile – 4¼” 22Ga 1 Piece Rollformed Frame UL Classified UL 555 – 1½ Hour Rating, Static for Use in Installations Rated Less Than 3 Hours

Fire Damper Specifications

Blades

Blades in Air-Stream

Material

Galvanized Steel – Standard Stainless Steel – Optional

Fusible Link

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

Orientation

Available for Vertical or Horizontal Installations

22Ga Optional Sleeves

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

Vertical Sizes

4” x 4” to 60” x 60” Multi-section up to 120” x 120”

Horizontal Sizes

4” x 4” to 40” x 60” Multi-section up to 120” x 120”

AVI-75 Type B | 1½ Hour Rated

Standard Profile – 4¼” 22Ga 1 Piece Rollformed Frame UL Classified UL 555 – 1½ Hour Rating, Static Fire Damper for Use in Installations Rated Less Than 3 Hours

Fire Damper Specifications

Blades

Blades Out of Air-Stream

Material

Galvanized Steel – Standard Stainless Steel – Optional

Fusible Link

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

Orientation

Available for Vertical or Horizontal Installations

22Ga Optional Sleeves

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

Vertical Sizes

4” x 3” to 60” x 54” Multi-section up to 120” x 114”

Horizontal Sizes

4” x 3” to 40” x 54” Multi-section up to 120” x 108”

AVI-75 Type C | 1½ Hour Rated

Standard Profile – 4¼” 22Ga 1 Piece Rollformed Frame UL Classified UL 555 – 1½ Hour Rating, Static for Use in Installations Rated Less Than 3 Hours

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 Available with Round, Oval, or Rectangular Collars

22Ga Optional Sleeves

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

Vertical Sizes

4” to 53” Oval and Rectangular 6” x 6” to 58” x 52”

Horizontal Sizes

4” to 38” Oval and Rectangular 6” x 6” to 38” x 52”