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24 Volt Spring Return Mid-Torque Multi-Blade Dampers

24 Volt Spring Return Mid-Torque Multi-Blade Damper Spring Return Mid-Torque Multi-Blade Damper 24 Volt


FEATURES:
 
bullet Designed for zoning warm air, air conditioning systems and fresh air intake; 
Spring return open operation only, power close.
 
bullet The exterior side mounted linkage ensures quiet operation and a smooth in-duct air flow.
 
bullet The blades are mounted with friction minimizing
nylon bushings.
 
bullet Extruded aluminium frame and blades make
for a very strong yet lightweight damper.
 
bullet Gasketing included for high integrity seal.
 
bullet 24 volt mid-torque motor already installed on damper.
 
bullet Available in 6" x 8" to 12" x 24"; both side and bottom motor mount configurations available.
 
bullet Custom sizes also available on request.
 
bullet Damper and motor guaranteed for three years after installation.

 

          To use the MMB-SR damper selection chart below:

  1. For the MMB-SR dampers, consider the motor on the width side.
  2. Determine the dimensions, height and width you need, and find the appropriate intersection in the following chart.
    This intersection gives you the item number for ordering Mid-Torque Multi-Blade Spring Return dampers.
  3. When ordering Mid-Torque Multi-Blade Spring Return dampers, give item number, description, height and width.
    For example # 51163 is MMB-SR 10" x 20", (with motor on 20" side), and # 51126 is MMB-SR 20" x 10", (with motor on the 10" side).

The PT-40 Transformer, item #35054, powers up to 4 of these dampers and is recommended.

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