Dampers

Effectively regulate airflow

If you want quality airflow in your building, you need well-designed dampers. Ducts On Demand carries a wide variety of dampers that can be used for your next project.

Choose from a wide selection

  • OBD
  • OBD-A
  • PBD
  • PBD-A
  • MBD

Opposed Blade Damper

You can get your dampers with multiple sections in both width and height required structural supports. Ducts on Demand recommends that large openings 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 section.

Options

  • Seals
  • Operators
  • Finishes
  • Face and bypass

Opposed Blade Damper

You can get your OBD products from us today. Give us a call anytime to discuss more options and prices.

Opposed Blade Damper – A

Series OBD Opposed Blade Dampers are lightweight volume control dampers, designed to be used with HVC grilles and diffusers, not as a stand alone volume control damper. However, Opposed Blade Dampers are not recommended for use in corrosive environments contain due to its steel parts.

OBD-A Standard Construction Options

  • Frame: 3-7/16” x 9/16” x 16-gauge roll formed
  • Blades: 16-gauge roll-formed galvanized steel on 6” centers
  • Bearings: permanently lubricated oilite bronze
  • Axles: 1/2″ diameter plated steel
  • Linkage: commercial grade, brass pivots
  • Linkage to Rod: 1/4″ diameter plated steel or larger
  • Operator Shaft: 6” x 1/2” diameter plated steel

Opposed Blade Damper – A

You’ll always get the best service from Ducts On Demand. Our ducts will always fit just right because of the custom service we provide on each part.

Parallel Blade Damper

Ducts on Demand recommends that you create large openings with structural members such that dampers will span either the width or height of each opening between the structural members with a single section. Therefore, all dampers must be installed with blades running horizontally.

Standard Construction

  • Frame: 3-7/16” x 9/16” x 16-gauge rollformed
  • Blades: 16-gauge roll-formed galvanized steel on 6” centers
  • Bearings: Permanently lubricated oilite bronze
  • Axles: 1/2″ diameter plated steel
  • Linkage: Commercial grade, brass pivots, machine
  • Linkage to Rod: 1/4″ diameter plated steel or larger

Parallel Blade Damper

Our PBD series of parallel blade dampers are high-quality balancing and control dampers. Available in a wide variety of finishes and materials.

Parallel Blade Damper – A

Ducts on Demand recommends that you create large openings with structural members such that dampers will span either the width or height of each opening between the structural members with a single section. Be sure to remember that all dampers must be installed with blades running horizontally.

Standard Construction

  • Blades: 16-gauge rollformed aluminum on 6” centers
  • Frame: 3-7/16” x 9/16” x 16-gauge rollformed aluminum
  • Bearings: Permanently lubricated oilite bronze
  • Axles: 1/2” diameter plated steel
  • Linkage: Commercial grade, brass pivots
  • Linkage to Rod: 1/4” diameter plated steel
  • Operator Shaft: 6” x 1/2” diameter plated steel
  • Finish: Mill aluminum

Parallel Blade Damper – A

Our PBD-A series of parallel blade dampers are high-quality balancing and control dampers that are available in a wide variety of finishes, leakage ratings, and materials.

Manual Balancing Damper

You can get the MBD-RD series Manual Balancing Dampers, which is designed and built to provide a cost-effective and reliable damper for reduced volume control only and not for positive shut-off. It is not intended for automatic operation. The Manual Balancing Dampers are also available with locking quadrants.

Standard Construction

  • Blades: Galvanized steel with welded channel reinforcement
  • Bearings: Nylon Bushing
  • Axles: 3/8” square, Aluminum or steel
  • Finish: Mill galvanized
  • Extended Shaft 3/8” square, plated steel 4” beyond frame
  • Maximum Temperature: 200º F

Manual Balancing Damper

Round Manual Balancing Dampers shall be Model MBD-RD by Ducts on Demand. Damper frame shall be roll-formed galvanized steel. Damper blade shall be galvanized steel complete with welded channel reinforcement.

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