Fire Dampers – UL 555  Curtain Type Fire Dampers 1-1/2 Hrs Fire Rating
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LIFE SAFETY DAMPERS
FIRE DAMPERS – UL 555

 

Fire Damper – UL 555 – 1.1/2 Hrs Rated – Without Sleeve

 

Model FD-GB-20A/B -R (Round Spigot)
(A- Blades in Air Stream; B- Above Air Stream)
Construction Galvanized Steel
Blade Curtain Type
Fire Rating 1 -1/2 Hrs. as per UL-555
Max Velocity 2000FPM
Max Pressure 4″ w.g
Airflow Direction Either
Fusible Link 165 ” F (74 “C)
Installation V/H

BETEC CAD.‘s B-20 Series Curtain blades Fire damper is high performance UL-555 classified with 1.1/2 Fire rating. May be installed vertically or horizontally for static application and vertically ( with blades running horizontally)for dynamic application and is rated for fire resistance in either direction.

 

Fire Damper – UL 555 – 1.1/2 Hrs Rated – With Sleeve

 

Model FD-GB-20A/B -S
(A- Blades in Air Stream; B- Above Air Stream)
Construction Galvanized Steel
Blade Curtain Type
Fire Rating 1 -1/2 Hrs. as per UL-555
Max Velocity 2000FPM
Max Pressure 4″ w.g
Airflow Direction Either
Fusible Link 165 “F (74 “C)
Installation V/H

BETEC CAD.‘s B-20 Series Curtain blades Fire damper is high performance UL-555 classified with 1.1/2 Fire rating. May be installed vertically or horizontally for static application and vertically ( with blades running horizontally)for dynamic application and is rated for fire resistance in either direction.

 

Fire Damper – UL 555 – 1.1/2 Hrs Rated – With Mounting Frame

 

Model FD-GB-21A/B – F
(A- Blades in Air Stream; B- Above Air Stream)
Construction Galvanized Steel
Blade Curtain Type
Fire Rating 1 -1/2 Hrs. as per UL-555
Max Velocity 2000FPM
Max Pressure 4″ w.g
Airflow Direction Either
Fusible Link 165 ” F (74 “C)
Installation V/H

BETEC CAD.‘s B-20 Series Curtain blades Fire damper is high performance UL-555 classified with 1.1/2 Fire rating. May be installed vertically or horizontally for static application and vertically ( with blades running horizontally)for dynamic application and is rated for fire resistance in either direction.

 
Size Limitation
Module Width x Height Mounting Position
Single 4″ x4″ V/H
Single 36″ x 36″ V/H
Multiple 72” x 72” V/H
Multiple 144” x 96” V/H

Model of Fire Damper FD-GB/D-20AS/BS/AF/BF/R
A Blades in Air stream
B Blades in above Air stream
F Mounting Frame
S Sleeve
R Round Spigot

Round Spigot Suffix – R after the Model