KBB turbochargers in the HPR series -
the proven BOOST!

The HPR series enables the single-stage, high-pressure turbocharging of medium-speed engines with an output between 500 and 3,000 kW per unit.

KBB turbocharger from HPR series
Figure: HPR-5000

Main fields of applications:

  • Power generation
  • Diesel-electric drives
  • Diesel-mechanical drives
  • Main propulsion engines
  • Auxiliary engines
  • Locomotive applications
  • Off-road applications

Suitable for the following engine types:

  • Diesel engines
  • Heavy fuel oil engines (HFO)
  • Engines for natural gas, biogas and special gases
  • Dual-fuel engines
HPR bearing

The products in the HPR series are characterised by the following performance features:

  • High efficiency
  • High pressure ratio
  • Wide compressor maps
  • Compact design with radial turbine
  • Reduced pollutant emissions from the engine (to comply with international requirements such as IMO I, IMO II, Rhein SchUO, BSO 1+2, EPA Tier 1+2, TA Air, etc.)
  • Long service life and extended maintenance intervals
  • Easy-maintenance design and short engine downtimes during servicing work
  • Quick and easy replacement of wearing components
  • Compressor and turbine washing device, speed measurement, silencer and insulation available as accessories
  • Water cooling of the bearing casing for high-temperature applications on request
Figure: Pressure ratio and air flow rate of HPR series
Figure: Pressure ratio and air flow rate of HPR series
ModelAir flow rate V (m3/s)Engine output
P (kW)
Maximum pressure ratio*
∏ vmax
Efficiency
η (%)  ∏ = 4.0 
Weight** m (kg)
∏ = 4.0∏ = 4.5
HPR30000.90 - 1.701.00 - 1.70500 - 9005.063160
HPR40001.30 - 2.501.50 - 2.50700 - 1,3005.064226
HPR50001.90 - 3.602.10 - 3.601,000 - 1,9005.066354
HPR60002.70 - 5.202.90 - 5.201,600 - 3,0005.068550

* with aluminium impeller - max. pressure ratio 4.7
** Weight = basic turbo + air filter silencer + gas outlet casing

Would you like to learn more about the HPR series?

Feel free to contact Klaus Buchmann, our Engineering Director, for more information about technical details. You can call him on +49 351 4085 618 or send an e-mail to klaus.buchmann@kbb-turbo.com. Alternatively, you can use our contact form to get in touch with us.