Damper Express - Louiville KY - Manufacturer of dampers
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Millennium Opposed Blade Manual Damper-MMD

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Standard Construction Details

Frame 20 Guage Galvanized Steel
4in wide up to 32 in Width
6in wide 33 and up

Blades 20 Guage Galvanized Steel

Die Formed Glass Reinforced -
1/2in round to 3/8 in square control rod
1/2in round slide pin

Heavy duty Quadrant with 1 1/2 " stand off

Internal Linkage for Opposed or Parallel Operation

Jamb and Blade Seals- Add 10%

Round control rod for Motorized Applications