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CD4 — Aluminum Curved-Blade, 4-way Register, OBD damper

How to Specify

Use the engineering data files to determine the proper size to use for maximum performance. Refer to the submittal drawing for key product dimensions.

How to Purchase

FAQs for GRDs

CD4 — Aluminum Curved-Blade, 4-way Register, OBD damper

Assets/Details

Submittal Data (62 KB, PDF)
Engineering Data (309 KB, PDF)
  • Extruded aluminum construction
  • Four-way deflection
  • Individually adjustable curved-face bars
  • Pivoted bars for easy positive setting
  • Opposed-blade damper
  • Bright White or Satin Anodized finish
  • Flat frame option standard, stocked where applicable
  • Damper depth is slightly greater (1/4”), where applicable
  • Fractional sizes NOT available
  • One way and two way deflection available in 4” and 5” widths. NOT available in three and four way deflection
  • Also available in special order Z-Frame

Add a Z to the beginning of the model number.

Available sizes (inches)

Height
Width681012141618202224262830323436
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36

Other sizes avialable uopn request.

Obsolete Product

  1. Old CD4 Register
HC CD4g
  • Extruded aluminum construction
  • Four-way deflection
  • Individually adjustable curved-face bars
  • Pivoted bars for easy positive setting
  • Opposed-blade damper
  • Bright White or Satin Anodized finish