C&S Air Products Rd2-R-8 Rd2-R 8 Rnd Butterfly Crd

Product Description

The C&S Air Products RD2-R-8 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 3 hours.

• 3 Hour Fire Resistance Rating
• Round Blade
• Butterfly Style Blades

Product Highlights

The RD2-R ceiling radiation damper features galvanized steel frame and butterfly style blades insulated with ceramic refractory material. It meets NFPA and building code standards, ensuring reliable fire protection in HVAC systems.

Product Information

Standard Information

• Brand: C&S AIR PRODUCTS
• Manufacturer Part Number: RD2-R-8

Technical Specifications

• 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: 165oF (75oC)
• Minimum Size: 4" Ø (102 Ø)
• Maximum Size: 24" Ø (610 Ø)
• UL 555C Fire Resistance Rating: 3 hour (horizontal, for use in 1, 2 or 3 hour rated assemblies)
• UL 555C Listing: R14980
• CSFM Listing: 3226-1404:100
• Warnock Hersey Listing #: WHI-495-PSH-0177, -0178
• Meets NFPA Standards: 90A and 101
• Meets Building Code Standards: IBC, NBC, NFPA, SBC and UBC