AS Stranich provides also multi-stage fans/blower for application with very high pressure.
Multi stage fans/blowers are a good technical and also commercial solution. Although the static efficiency is not very high, these solutions can be used instead of some centrifugal compressor, usually more expansive.
Usual design conditions are:
volumetric flowrate up to 10.000 m3/hstatic pressure up to 8.000 mmH2Oinstalled power up to 500 kWFor this kind of application are selected the single stage centrifugal fans series with lower width of the impeller.