Relief Dampers

A relief damper is a type of backdraft damper having an adjustable start-open pressure that allows excess air to lower indoor pressure.

Relief Dampers


  • Model BR: Barometric Relief

    Model BR: Barometric Relief

    The BR/SEBR series dampers are used for gravity ventilation and low velocity systems.

  • Model HPR: Heavy Duty/Industrial Pressure Relief

    Model HPR: Heavy Duty/Industrial Pressure Relief

    The HPR series dampers are capable of maintaining a relatively constant pressure at various airflows and closed upon a decrease in differential pressure. They are generally used as a safety or controlling device.


BR Series - Barometric Relief Dampers up to 2000 fpm, 2 in. wg

Heavy Duty / Industrial Pressure Relief


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BR-10 and SEBR-10 Series             Download
BR-30 and SEBR-30 Series             Download
BR-40 and SEBR-40 Series             Download
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