MA37 Dynamic Fire Damper

Model:	MA37
Depth:	5½”
UL Classified:	3 Hour Fire Resistance
Certifications:	Underwriters Laboratories, Inc.: 555 National Fire Protection Association: 80 & 90A ICC’s International Building Code
Orientation:	Vertical or Horizontal
Frame Material:	16 ga. Galvanized Steel
Frame Type:	Hat Channel
Blade Material:	20 ga. Double-Skinned Galvanized Steel (equal to 14 ga.)
Blade Action:	Parallel
Axles:	Square, Plated Solid Steel Stub
Bearings:	Oil Impregnated Bronze
Linkage:	Jamb
Stops:	18 ga. Galvanized Steel at Head and Sill
Jamb Seals:	Stainless Steel
Actuator:	Non-Motorized Spring Closure Mechanism
Fusible Link:	165°F
Finish:	Mill
Maximum Differential Pressure:	4 in. w.g.
Maximum Velocity:	2000 fpm (4000fpm through 30″W x 36″H)

*Dampers smaller than minimum frame size require transitions.

Description