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Dampers | Smoke Dampers

Safe-Air Dowco has UL555S-certified smoke dampers for both Class I and Class II applications in both V and Airfoil style blade arrangements.  These are designed and certified for use in either passive or engineered smoke control systems, can be controlled by either duct smoke detectors or a centralized smoke control system, and come with electric or pneumatic operators.  Competitive pressure drop performance ensures minimal energy loss during regular system operation and low-leakage seals guarantee isolation in an emergency event.   

Model Blade Style Mounting Min Size W x H Max Single Section W xH Class
620-TR
True Round Smoke Damper
Blade Style: Single Blade
Mounting: H/V
Min Size: 6" dia.
Max Single Section: 24" dia.
Class: Class I
Details

Model 620-TR Damper is ideal for applications where building codes require a leakage rated smoke damper for operational smoke control in static or dynamic smoke management systems. The 620-TR Damper is an economical true round smoke damper designed...
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621
Blade Style: V-Blade
Mounting: H/V
Min Size: 6" x 6"
Max Single Section: 36" x 48"
Class: 1
Details
622
Blade Style: V-Blade
Mounting: H/V
Min Size: 6" X 6"
Max Single Section: 36" x 48"
Class: 2
Details
662
Blade Style: Airfoil Aluminum
Mounting: H/V
Min Size: 8" x 8"
Max Single Section: 32" x 48"
Class: 2
Details
681
Blade Style: Airfoil
Mounting: H/V
Min Size: 12" x 8"
Max Single Section: 32" x 48"
Class: 1
Details
682
Blade Style: Airfoil
Mounting: H/V
Min Size: 8" x 8"
Max Single Section: 32" x 48"
Class: 2
Details
Smoke Dampers
Blade Style: Installation, Operation, Maintenance
Details