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Pressure Relief Damper
Spring-loaded relief dampers for over-pressure protection in pressurized spaces.
Dampers · DMP-002
Pressure Relief Damper
- QCS Compliant
- SMACNA Standard
- Spring-loaded blades open automatically at set pressure differential
- Adjustable set point — typically 12–50 Pa
- Galvanized steel frame with aluminium or steel blades
- Used in pressurized stairwells, lift lobbies, and plant rooms
- Closes tight under normal operating conditions
- Available in single and multi-blade configurations
- Sizes from 300mm × 300mm to 900mm × 600mm
- Low air leakage when closed — Class 3 per EN 1751
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