NON RETURN DAMPER

Damper Manufacturers Dampers are used to prevent reverse airflow in intake & discharge opening in commercial and residential air-conditioning systems.

Damper Manufacturers Wacair NRDs / PRDs are suitable for medium pressure and velocity application. During ventilation system is on, the dampers are held in open position by the air flow. If the system is switched off, the damper blades close automatically. The NRDs/PRDs are also preventing against the ingress of untampered air. Rain and birds into the air- conditioning.

FRAMES

• Frames are made of 12 Gauge corrosion resistant high quality Extruded Aluminum.

BLADES

• Blades are made of 22 Gauge/20 Gauge corrosion resistant high quality Extruded Aluminum.

FINISH

• NRDs are supplied in Mill Finish