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Non Return Dampers are suitable for situations requiring a single direction of airflow to be maintained. ...Read more


Non Return Dampers are suitable for situations requiring a single direction of airflow to be maintained.

APPLICATIONS:

  • Non Return Dampers, also known as back draft dampers, are suitable for situations requiring a single direction of airflow to be maintained.
  • These dampers are operated only by air pressure. When the air flows in the desired direction the blades open, however when the air flows in the wrong direction the blades are forced shut.
  • Dampers can be installed inside rigid ductwork, plenums or in-line applications with flanged ductwork.


FEATURES:

  • Made from premium grade extruded aluminium. Suitable for use in corrosive environments like swimming pools or coastal areas.
  • Nylon long life bearings ensure smooth and quiet operation.
  • Blades individually hinged on stainless steel stub shafts.
  • Supplied as overall size as standard.
  • Foam blade tip seals to reduce rattling.
  • Maximum width 500mm per section.

 

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The shipping charge depends on a number of factors including the area you live, and the size/weight of the item(s) you have ordered. Our system will generate a shipping cost at checkout after you have entered your shipping details.

If you feel that our system has incorrectly calculated your shipping cost please contact us at shop@airdiffusion.com.au with details of the product(s) you are after and your postcode and we will follow up.

We carry most commonly ordered items in stock. Items in stock will be shipped within 1-2 business days. You will be sent a tracking number once item has been dispatched.

During checkout there is the option to save on postage and pick up at one of our local Air Diffusion stores. Click here for store locations

Delivery is calculated at checkout based on your location. Save on postage by picking up from a local ADA store.
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