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

Any questions? 

Silvio Risse, our Engineering Director, will be happy to help if you need more information about our exhaust-gas turbochargers. Give him a call on +49 351 4085 622 or send him an e-mail at silvio.risse@kbb-turbo.com. Alternatively, you can also use our contact form to get in touch with us.