Imperial

Product Catalog

Dampers & Louvers

Fire/Smoke Dampers and Smoke Dampers are U.L. Listed and Accepted for use in New York City.

Fire/Smoke Dampers

Combination fire/smoke dampers for life-safety systems in high-rise and institutional construction, U.L. Listed and accepted for use in New York City.

  • Smoke Purge Type (Override / Dual Sensors)
  • 1½ to 3 Hour Fire Rated
  • U.L. Listed Class I & II
  • Galvanized
  • Stainless Steel
  • Triple V & Airfoil Blades
  • Various Sleeve Connections
  • 18 / 16 / 14 Gauge Sleeves
Model 771 stainless steel combination fire/smoke damper with flange connection
Model 771 stainless steel combination fire/smoke damper, multi-section
Model 771 stainless steel combination fire/smoke damper with actuator
Model 771 stainless steel combination fire/smoke damper with internal actuator
See all 8 photos in the gallery →

Smoke Dampers

Dedicated smoke dampers for smoke-control and pressurization systems, carrying the U.L. listings New York City inspectors look for.

  • U.L. Listed Class I & II, Accepted for Use in New York
  • Galvanized
  • Stainless Steel
  • Triple V & Airfoil Blades
  • Various Sleeve Connections
Model 621 smoke damper with external actuator

Fire Dampers

Curtain and multi-blade fire dampers protecting duct penetrations through rated walls and floors.

  • 1½-Hour & 3-Hour Rated
  • Dynamic & Static
  • Horizontal Type

Automatic Control Dampers

Automatic control dampers for airflow regulation in commercial HVAC systems, from extruded aluminum airfoil designs to round and stainless configurations.

  • Extruded Airfoil Aluminum
  • Galvanized
  • Stainless Steel
  • Round
Model 600 aluminum airfoil damper assembly
Model 600 aluminum airfoil damper with blank-off panel
Model 600 aluminum airfoil damper with face linkage
Model 600 aluminum opposed-blade damper
See all 17 photos in the gallery →

Backdraft / Shutter Dampers

Backdraft and shutter dampers that allow airflow in one direction and close against reverse flow, fabricated in the material your spec calls for.

  • Aluminum
  • Galvanized
  • Stainless Steel
Model 711-BRL backdraft damper

Louvers / Penthouse

Wall louvers, penthouse louvers, and louver doors for intake and exhaust applications, fabricated in extruded aluminum, galvanized, or stainless steel. Custom shapes, finishes, and combination units are routine work.

  • Extruded Aluminum
  • Galvanized
  • Stainless Steel
  • Louver Doors
Multi-section Duranodic dark bronze louvers, installed
Triangular louver installed in a gable end
Installed louver on a rooftop bulkhead
Installed louver on a brick penthouse
See all 24 photos in the gallery →

Accessories

  • Electric actuators
  • Pneumatic actuators
  • Position indication and status indicators
  • Sleeves in 18, 16, and 14 gauge
  • Side plates
  • Jackshafts and connecting jackshafts for multi-section assemblies
  • Face linkage
  • Round collars
  • Blank-off panels
Model 600 aluminum airfoil damper with face linkage
Model 711-OJ motorized damper with round collars
Model 600 airfoil damper with jackshafting
Model 711-PF motorized parallel-blade damper with pneumatic actuator