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A1770 Parallel/Opossed Blades Single Thickness ControlDamper

Product Name: A1770

Parallel/Opossed Blades Single Thickness Control Damper

A1770 - Parallel/Opposed Single Thickness Blade Control Damper

The A1770 is an effective damper for areas where low leakage is not a specification requirement.

Quick Specs:

  • Minimum Panel Size: 6" x 8¾"
  • Maximum Panel Size: 48" x 96"
  • Frame Depth: 4"
  • Frame Type: Hat Channel Shaped
  • Frame Material: 16 ga. Galvanized Steel
  • Blade Type: 6" Deep, Roll Formed, Single Thickness
  • Blade Material: 16 ga. Galvanized Steel
  • Blade Action: Parallel or Opposed
  • Blade Seals: Polyurethane
  • Jamb Seals: Polyurethane
  • Bearings: Bronze Oilite Bearings
  • Axles: ½" Plated Steel
  • Drive Shaft: Extendable 6" Beyond Frame
  • Linkage: 12 ga. Plated Steel Brackets with .030" Aluminum Bar
  • Finish: Mill
  • Temperature: 250° F
  • Max Differential Pressure: 4 in. w.g.
  • Max Velocity: 2000fpm

*Dampers smaller than minimum frame size require transitions.

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