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HVD — Aluminum Double Deflection 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

HVD — Aluminum Double Deflection Register, OBD damper

Assets/Details

Submittal Data (47 KB, PDF)
Engineering Data (432 KB, PDF)
  • Extruded aluminum construction
  • Two rows of individually adjustable face bars for horizontal and vertical deflection
  • Pivoted bars for easy positive setting
  • Opposed-blade damper
  • Bright White or Satin Anodized finish
  • Flat frame option standard, stocked as current
  • Damper depth is slightly greater (1/4”), where applicable
  • Also available in special order Z-Frame

     Add a “Z” to the beginning of the model number

Available sizes (inches)

Height
Width681012141618202224262830323436384042444648
4
5
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48

Other sizes available upon request.

Obsolete Product

  1. Old HVD Register
HC HVDg
  • Extruded aluminum construction
  • Two rows of individually adjustable face bars for horizontal and vertical deflection
  • Pivoted bars for easy positive setting
  • Opposed-blade damper
  • Bright White or Satin Anodized finish