Type B Fire Dampers Vertical and Horizontal

• Narrow 2 3/16” or 1 1/2” frame.
• Electro thermal links - 165ºF standard.
• Other fusible links 135ºF,  212ºF,  286ºF.
• Adjustable blade stack for combination fire/balancing damper.
• Solenoid release.
• Micro-switches for fan shut off and/or status control.
• Stainless steel construction.
• 1 1/2 hour rating standard - 3 hour optional vertical only.
• Maximum size: 36” x 36”; Minimum size: 6” x 4”.

Note: When the damper or damper assembly exceeds either 48” in width or 60” in height, the retaining angles should not be less than 1 1/2” x 1 1/2” x 1/8” thick and should be attached to the sleeve using 20 1/4” x 3/4” round head stove bolts at 8” on C. 1” long welds or No. 14 x 3/4” sheet metal screws at the same spacing.

Note: Type A & Type B Fire Dampers are non-standard dampers and are not-returnable and cannot be cancelled.