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P.O Box – 1038,

Street No. 41, New Industrial area,

Doha - Qatar.

Tel: +974 4411 4635

Tel:+974 4437 8777

© 2018 by Khalid Manufacturing Company.

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VISITORS

GD1 / GD2

Volume Control Damper

Single Thickness Blade • Steel Control Damper

STANDARD CONSTRUCTION

Frame

Frame Type

Blade 

Blade Type

Axle materials

Axle Bearings

Linkage

Finish

:16ga Roll-formed

: 5½” x ⅞” x 16-GA galvanized steel hat channel

: Galvanized steel

: 16-GA galvanized steel, 6” nominal width

: Plated Solid Steel stub

: Heavy Duty Molded Acetal

: In-jamb, plated steel bar and crank plate with stainless
steel pivots

: Mill

OPTIONS

  • Exact Size

  • Blade Seal - Silicon / Neoprene

  • Sleeve - Transition - Sideplate

  • Flange Frame - Front, Rear or Both

  • Electric Actuators - For motorised application 230V, 120V or 24V

  • Bearings - OIB or Stainless Steel

  • Jamb Seal - Stainless Steel

DATA SHEETS

  • Installation Instruction

NOTES

  • Supplementry Information

  • “A” width and “B” height are opening dimensions. Dampers are provided approximately ¼” undersize. 

  • Dampers shorter than 12” are single blade.

  • Maximum face velocity is 2000 fpm. Maximum differential pressure is 4 in.wg.

  • Multiple panel unites are shipped with the panels factory assembled, to a maximum of 48ft2. When jack shafting is designated, it will be installed. When it is desired to have the individual damper panels shipped loose, this must be clearly noted.

  • Dampers with multiple panels in both width and height require structural support (by others). It is recommended that large opening be divided with structural members such that dampers will span either the width or height of each opening between the structural members with a single panel. 

  • The GD1/GD2 is designed to operate in a clean, dry environment. For proper operation, dampers must be installed square, plumb, and without racking.