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Ceiling Radiation Dampers

Model 50
UL Listed CRD
  • Rollformed 22 gauge galvanized frame
  • Formed 22 gauge galvanized blades
  • Rollformed 22 gauge galvanized hinge
  • Double blade butterfly configuration
  • Available in both easy access (EA) and link plate (LP) versions for mounting the fusible link
  • Minimum unit size: 4”x4”
  • Maximum unit size: 24”x24”
  • Dimensions are determined by blade width (hinge dimension) then by blade height (w x h)
  • Insulation and scrim are required on dampers over 80 in2 in area
  • Insulation and scrim are optional on dampers less than 80 in2 in area
  • UL Listed ceiling radiation damper
  • Tested to UL 555C: File R16579
  • Meets NFPA 90A requirements
  • Listed with California State Fire Marshall: Listing 3225-1577:101
  • Reference 50/55 Series sizing chart for damper sizing
  • Reference 50 Series Installation Instructions

Model 50-4X
UL Listed CRD
  • Rollformed 22 gauge galvanized frame
  • Formed 22 gauge galvanized blade
  • Stainless steel spring hinge
  • Single blade configuration
  • Available sizes: 8”x4”, 10”x4” and 12"x4”
  • Dimensions are determined by blade length (hinge dimension) then by blade width
  • Insulation and scrim are optional on dampers less than 80 in2 in area
  • UL Listed ceiling radiation damper
  • Tested to UL 555C: File R16579
  • Meets NFPA 90A requirements
  • Listed with California State Fire Marshall: Listing 3225-1577:101
  • Reference 50 Series Installation Instructions

Model 55
UL Listed CRD
  • Rollformed 22 gauge galvanized frame
  • Formed 22 gauge galvanized blades
  • Rollformed 22 gauge galvanized hinge
  • Double blade butterfly configuration
  • Available in both easy access (EA) and link plate (LP) versions for mounting the fusible link
  • Minimum unit size: 4” diameter
  • Maximum unit size: 24” diameter
  • Insulation and scrim are required on dampers over 80 in2 in area
  • Insulation and scrim are optional on dampers less than 80 in2 in area
  • UL Listed ceiling radiation damper
  • Tested to UL 555C: File R16579
  • Meets NFPA 90A requirements
  • Listed with California State Fire Marshall: Listing 3225-1577:101
  • Reference 50/55 Series sizing chart for damper sizing
  • Reference 55 Series Installation Instructions

Model CRD B
CRD-Boot Assembly
  • UL Listed ceiling radiation damper factory mounted in a galvanized boot
  • Available in the following styles:
  • End boot
    Ell boot (90 egree)
    Straight boot
  • Available with collars ranging from: 4” to 10”
  • Available with throat depths of: 4”, 6”, 8”
  • Available with or without a flange
  • Factory assembled to ensure proper fit and placement
  • Eliminates the need for labor to install in the field
  • Reference CRD Installation Instructions

 

For installation instructions and additional information, please visit our website
www.wardind.com.


Ward Industries
815 Kimberly Drive
Carol Stream, IL 60188
Tel: 800/624-8642
Fax: 866/466-9335
E-mail: info@wardind.com
Web site: http://www.wardind.com



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