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Rapid City, SD | Sioux Falls, SD | Bismarck, ND

CALL TODAY

Rapid City, SD | Sioux Falls, SD | Bismarck, ND

Dampers

Combination Stationary 4″ Drainable Outside Air Louver with Pressure Relief Damper

4525-3510

  • Dampers and louvers can be combined with a 20 gauge steel sleeve to create an environment to regulate airflow in or out of a louver with an operable blade damper.

Combination Stationary 4″ Drainable Outside Air Louver with Vertical Mount Backdraft Damper

4525-3550

  • Dampers and louvers can be combined with a 20 gauge steel sleeve to create an environment to regulate airflow in or out of a louver with an operable blade damper.

Combination Stationary 2″ Outside Air Louver with Opposed Blade Air Control Damper

4550-3000OBD

  • Dampers and louvers can be combined with a 20 gauge steel sleeve to create an environment to regulate airflow in or out of a louver with an operable blade damper.

Combination Stationary 2″ Outside Air Louver with Parallel Blade Air Control Damper

4550-3000P

  • Dampers and louvers can be combined with a 20 gauge steel sleeve to create an environment to regulate airflow in or out of a louver with an operable blade damper.

Combination Stationary 2″ Outside Air Louver with Vertical Mount Pressure Relief Damper

4550-3510

  • Dampers and louvers can be combined with a 20 gauge steel sleeve to create an environment to regulate airflow in or out of a louver with an operable blade damper.

Combination Stationary 2″ Outside Air Louver with Vertical Mount Backdraft Damper

4550-3550

  • Dampers and louvers can be combined with a 20 gauge steel sleeve to create an envrionment to regulate airflow in or out of a louver with an operable blade damper.

1 ½ Hour Fire and Smoke Damper

FSD-111

  • Class 2 – low leakage
  • Sleeve Type A: 20 gauge 18″ sleeve
  • 120V actuator mounted

Thinline Frame 1 ½ Hour Fire Damper Out-of-Airstream

2534

  • Square or rectangular spring actuated curtain-type fire damper for vertical or horizontal mount
  • 2″ thin-line roll formed out-of-airstream frame

Thin-Line 3 Hour Rated Fire Damper

2561

  • Square or rectangular curtain-type fire damper for vertical mount
  • 2″ thin-line roll formed frame

Thin-line Out-of-Airstream 3 Hour Rated Fire Damper

2563

  • Square or rectangular curtain-type fire damper for vertical mount
  • 2″ thin-line roll formed out-of-airstream frame

Round Thin-line Out-of-Airstream 3 Hour Rated Fire Damper

2565

  • Curtain-type fire damper with round connection for vertical mount
  • 2″ thin-line roll formed out-of-airstream frame

Standard Frame 1 ½ Hour Curtain-type Fire Damper Out-of-Airstream

2634

  • Square or rectangular spring actuated curtain-type fire damper for horizontal or vertical mount
  • 4 1/4″ standard roll formed out-of-airstream frame