Features

The RSK backdraft dampers are manufactured from steel with spring actuated aluminium flaps.

These dampers form an excellent seal against backdraft when the fans are switched off. The pressure loss through the backdraft dampers has to be added to the system resistance before selecting the fan.

Pressure Losses

Dimensions

Product Code	A
RSK100	100
RSK125	125
RSK150	150
RSK200	200
RSK250	250
RSK315	315