Iris Damper

Iris Duct Damper

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From £1.00 - £967.83


The HAS Iris duct damper is an efficient and accurate airflow regulator for circular ducts which can also be used for easy and reliable measurement of airflow. When adjusted to the fully open position it provides 100% free area that is particularly useful for duct cleaning.

The HAS Iris duct damper cashing and plates are manufactured from hot dipped galvanised steel whilst other components are manufactured from non-corrosive durable plastic. The joining collars are supplied complete with a rubber-sealing gasket for universal applications. Each damper come complete with its own scale indicator and measuring connections which can be used, when linked to a manometer and using the relevant flow charts to determine the flow rates.

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