RD2-R

3 Hour - Ceiling Radiation Damper

Overview

The RD2-R ceiling radiation damper employs butterfly style blades for point-of-origin control of radiant heat in HVAC systems. The RD2-R is installed horizontally in the ceiling membrane of floor-ceiling or roof-ceiling assemblies with fire resistance ratings up to and including 3 hours.

Resources

Product Sheets

PDF RD2-R Product Sheet
PDF Ceiling Radiation Blanket
PDF RD-Operation and Maintenance

Installation Instructions

PDF RD2(R) (SB), RD4, RD8 Installation Instructions

Standard Construction

Frame: 24 ga. (0.7) galvanized steel.
Blades: 22 ga. (0.85) galvanized steel - round butterfly. Insulated with ceramic refractory material for dampers larger than 114 in² (735 cm²).
Fire Closure Device: Fusible Link.
Fire Closure Temperature: 165^oF (75^oC).
Minimum Size: 4" Ø (102 Ø)
Maximum Size: 24" Ø (610 Ø)

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