They allow draught generator chimney fans to be mounted on chimneys of different than their nominal diameters.
Adaptors allow draught generator chimney fans in -B-K mounting version to be mounted on single walled chimneys of different than their nominal diameters.
|Example dimensions:||Ø150/130 , Ø200/180 [mm]|
|Material versions:||chrome-nickel steel sheet|
Other adaptors and reducers made upon individual orders.