Application
BackDraft Damper model BDD 170 is designed to allow exhaust airflow but prevent airflow in the reverse direction. Typically used with a fan and available for Vertical or Horizontal mounting.
FEATURED STANDARD CONSTRUCTION
FRAME:
16 Ga galvanized steel interlocking hat channel frame construction.
BLADES:
- Extruded aluminum construction.
SEALS:
- Vinyl blade seals mechanically locked into the blade.
BEARINGS:
- Bronze bearing
AXLES:
- Die cast aluminum.
LINKAGE
- 12x3mm galvanized steel concealed in the channel frame.
FINISH:
- Mill finish.
MOUNTING:
- Vertical & Horizontal.
OPTIONS
• Aluminum or Stainless Steel Frame.
• Stainless Steel Blades.
• Stainless Steel Horizontal Axles.
• Adjustable counter balance weight on the back of the blade.
• 16x3mm Aluminum linkage or 12x3mm stainless steel linkage.
• Rubber foam seals, or UL approved Blade Seal.
• Plastic bearings.
• Duct flange or duct mate flange (35mm).
SIZES
- Single Section:
Minimum: 6" (152mm) W x 6"(152mm) H
Maximum: 44"(1117mm) W x 60"(1524mm) H
- Multiple Section:
Unlimited