HPR-120

The HPR-120 is a pressure relief damper with a double flanged channel frame. It protects HVAC systems and industrial processes by relieving air pressure.

Blade Type: 2V
Pressure Relief: 0.1 in. wg to 1 in. wg
Back Pressure: 5 - 8½ in. wg
Velocity: Up to 5150 fpm
Temperature: -20°F to 200°F with seals; -20°F to 250°F without seals

Pressure Relief Dampers

Damper Selection Guide

Which damper best fits the application? Greenheck’s damper interactive selection guide removes the guesswork. Find blade type, velocity, pressure, AMCA listings, submittals, drawings and more, all in one easy-to-use format.

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