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Pressure Relief Damper

PD-1250 Pressure Relief Backdraft Damper

Formed aluminum blade and aluminum frame damper
The PD-1250 damper provides backdraft protection in light to medium duty applications that demand less than 12 cfm per square foot of leakage at 1/2 inch WG. The PD-1250 provides system relief when operational pressures exceed system defined maximum level.



Features and Benefits
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  • Aluminum construction maintains a good-looking appearance.
  • Blades overlap frame, providing optimum resistance to weather.
  • Non-metallic blade-to-blade seal provides quiet operation during highest spot velocities.
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