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12HD Pressure relief damper HD, aluminium

Pressure relief dampers manufactured from extruded aluminium, type HD. Designed for surface mounting. These dampers have adjustable blades, which open by air pressure.

Application

As an overpressure grille or non-return valve to prevent unwanted reversed airflow. (Air-conditioning installations) The slats automatically shut down when stopped.

Standard

  • satin anodised.
  • fixing holes.
  • Foam rubber inlay strip gives a precise fit to the wall.
  • Louvres balanced to give good air flow at appropriate pressure level.
  • included fasteners and plugs.
  • Rubber inlay on Louvre.

Options

  • Different sizes, see SG120
  • powder coating in RAL color.
  • Set in Type, see SG123.
  • Reverse airflow, see SG123.
  • Coupled slats, see SG123.

Product range

Article numberSizeSpecificationGross price
 B H  
12HD-3636AA355 355anodisedOn request
12HD-4646AA455 455anodisedOn request
12HD-5656AA555 555anodisedOn request
12HD-6666AA655 655anodisedOn request
12HD-7676AA755 755anodisedOn request
12HD-8686AA855 855anodisedOn request

Files

12HD.PDF
12HD.DWG

Alternatives