Motorized Fire Dampers–UL 555 With Melting Fuse 3 Hrs Fire Rating
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LIFE SAFETY DAMPERS
MOTORIZED FIRE DAMPERS – UL555

 

Motorized Fire Damper – UL 555 – 3 Hrs Rated – with Melting Fuse

 

Model MFD-GB-F-30A
Construction Galvanized Steel
Blade 3V – Single Skin
Fire Rating 3 Hrs. as per UL-555
Max Velocity 2000FPM
Max Pressure 4″ w.g
Airflow Direction Either
TRD 165 ” F (74 “C)
Melting Fuse 165 ° F (74 °C) Rated
Installation V/H

BETEC CAD.’s B-30 Series Motorized Fire damper is high performance UL-555 classified with 3Hrs Fire rating. May be installed vertically or horizontally (with blades running horizontally) and is rated for air flow in either direction.

 

Motorized Fire Damper – UL 555 – 3 Hrs Rated – with Melting Fuse

 

Model MFD-SB-F-31A
Construction Stainless Steel
Blade 3V – Single Skin
Fire Rating 3 Hrs. as per UL-555
Max Velocity 2000FPM
Max Pressure 4″ w.g
Airflow Direction Either
TRD 165 ” F (74 “C)
Melting Fuse 165 ° F (74 °C) Rated
Installation V/H

BETEC CAD.’s B-30 Series Motorized Fire damper is high performance UL-555 classified with 3 Hrs Fire rating. May be installed vertically or horizontally (with blades running horizontally) and is rated for air flow in either direction.

 

Size Limitation
Module Size: Width x Height Mounting Position
Single Max X Max. 24″ x 48 H
Single Max X Max. 36″ x 36 V/H

  Material   Damper Operation  
projects/betec/ CAD Model Frame Blade Standard Optional
MFD-GB-F-30A GI GI FC FO
MFD-SB-F-30A SS SS FC FO
MFD-SGB-F-30A SS GI FC FO
MFD-GSB-F-30 GI SS FC FO