RRO Centrifugal Blowers

The high efficiency RRO centrifugal blowers are especially designed to equip sulphuric acid plants. In the process, the main blower is located before or after the drying tower.

Key Features

  • Motor or steam turbine.
  • Flow control can combine:
  • Radial Vane Control (RVC).
  • Blow-off device.
  • Variable Frequency Drive (VFD).

  • Inlet filter and silencers.
  • Noise insulation and treatment(design, environment).
  • Vibration control.
  • Lubrication oil unit.
  • Local panel and automation.


  • ​​​Ease of maintenance.
  • ​​​Minimum downtime.
  • ​​​Designed to suit all environments.


  • ​​​Yellow cake.
  • ​​​Nickel and copper.
  • ​​​Titanium pigments.
  • ​​​Chemicals.
  • ​​​Fertilizers.
  • ​​​Metal processing.
  • ​​​Oil refining.
  • ​​​Aluminium.
  • ​​​Sulphate.
  • ​​​Pulp and paper.
  • ​​​Chemicals: main blower for sulphuric acid plants.
  • ​​​General industries: mechanical vapour compression.

Find your contact

Change location

General enquiries: 

Nick McLeanwebenquiries@howden.com+44 141 885 7500

If you would like to submit an enquiry please get in touch.

Parts & Service

Lifetime Support

Our lifelong aftercare service will supply original replacement parts, support you with maintenance and installation, and even train your own engineers in maintenance techniques. We keep detailed plant records almost indefinitely, and regularly supply spare parts for machinery over 50 years old.