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CRD-50-4X – 4″ Single Blade Butterfly Ceiling Radiation Damper

CRD-50-4X Ceiling Radiation Damper Technical Specifications

  1. UL listed link (165oF Standard)(Max 212oF)
  2. Blades 22 (0.853mm) Ga. Galv. Steel
  3. Roll-formed frame 22 (0.853mm) ga. Galv.
  4. Steel duct drop (by others).

UL 555C Fire Resistance Rating
Fire resistance rated 3 Hours
Building materials rated 3 Hours or less Model CRD 50-4X meets the requirements for fire dampers established by:
CSFM California State Fire Marshal
Fire Damper Listing (#3225-1417:101)
  1. Maximum size 4”x24”
    Minimum size 4”x4”
  2. “Ceramic insulation is not UL required on
    Lloyd Industries dampers with area less than 80
    square inches.

Manufacture Limited Warranty

Products manufactured by Lloyd Industries are warranted to be free from defects in material and workmanship for a period of 12 months after being installed or placed in service, but in no instance shall the period of warranty be longer than 18 months from the date of original shipment by Lloyd Industries.

Lloyd Industries warrants that it will furnish replacement material, or at its option, repair any product of its manufacture that is proven to Lloyd Industries satisfaction to be defective in material or workmanship during this described warranty period… [Click Here to Download Full Warranty]

Do you have any

Contact us today at (800) 810 3280 and we will be happy to assist with any concerns while making your selection!