Pressure Relief Dampers - HPR-330
The HPR-330 is an industrial pressure relief damper with double-flanged channel frame. It is designed to protect HVAC systems and industrial processes by relieving air pressure.
Blade Type: Fabricated Airfoil
Pressure Relief: ½ in. wg to 6 in. wg (.012 - 1.5 kPa)
Back Pressure: 13½ - 20 in. wg (3.4 - 5 kPa)
Velocity: Up to 6400 fpm (32.5 m/s)
Temperature: -40°F to 250°F (-40 to 121°C)
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Shipping: 2-3 Business Days