Ruskin Model IBD2A Curtain Type “A” Fire Dampers 1 1 /2 Hour Rating • 165°F Fusible Link U.L. Listed for use in Static Systems Only Non-Sleeved Style • Standard Channel Frame

Standard Construction:

• UL555 Rating: Meets all UL and NFPA criteria for primary fire dampers in static HVAC systems (fans off during alarm), in walls and floors with fire resistant ratings of less than 3 hours.
• UL555 Fire Rating: 1 1 /2 hour UL classified fire damper.
• Frame: 4-7/8” x 20 gauge galvanized steel channel.
• Blades: 24 gauge galvanized curtain type. Blades within air stream.
• Finish: Mill.
• Closure Springs: 301 stainless steel constant force type.
• Fusible Link: 165°F is standard. 212°F available – Advise Air Supply if required.
• Mounting: Vertical or Horizontal

Features:

• Vertical and Horizontal closure spring operation for assured closure
  with no air flow (fans off) in HVAC systems.
• Each damper is marked with a 1 1 /2 hour UL555 classified fire
  damper label.
• Meets UL and NFPA criteria for primary fire dampers installed in
  walls and floors with fire resistance ratings of less than 3 hours.
• Meets the requirements for the UBC, BOCA, SBCCI and associated
  building codes.

Size Vertical/Horizontal A x B List Price Your Price 6 x 6 $24.00 $10.80 8 x 6 $24.00 $10.80 8 x 8 $27.00 $12.15 10 x 6 $24.00 $10.80 10 x 8 $27.00 $12.15 10 x 10 $30.00 $13.50 12 x 6 $24.00 $10.80 12 x 8 $27.00 $12.15 12 x 10 $30.00 $13.50 12 x 12 $32.00 $14.40 14 x 6 $30.00 $13.50 14 x 8 $32.00 $14.40 14 x 10 $37.00 $16.65 14 x 12 $40.00 $18.00 14 x 14 $45.00 $20.25 16 x 8 $32.00 $14.40 16 x 10 $37.00 $16.65 16 x 12 $40.00 $18.00 16 x 14 $45.00 $20.25 16 x 16 $45.00 $20.25 18 x 8 $37.00 $16.65

Size Vertical/Horizontal A x B List Price Your Price 18 x 10 $42.00 $18.90 18 x 12 $43.00 $19.35 18 x 18 $54.00 $24.30 20 x 8 $37.00 $16.65 20 x 10 $42.00 $18.90 20 x 12 $43.00 $19.35 20 x 16 $48.00 $22.05 20 x 20 $54.00 $24.30 24 x 10 $45.00 $20.25 24 x 12 $46.00 $20.70 24 x 16 $53.00 $23.85 24 x 20 $61.00 $27.45 24 x 24 $64.00 $28.80 30 x 12*  $59.00 $26.55 30 x 16*  $65.00 $29.25 30 x 20*  $72.00 $32.40 30 x 24*  $81.00 $36.45 36 x 12*  $62.00 $27.90 36 x 24*  $86.00 $38.70 48 x 12*  $75.00 $33.75 48 x 24*  $104.00 $46.80

Note

• *Specify Vertical or Horizontal Mount when ordering fire dampers in these eight sizes. All other sizes are suitable for Vertical or Horizontal mount.
• Fire dampers are undersized by 1/4".

Accessories

Extra Fusible Links
165°F or 212°F.