High Speed Integrally Geared Multi-Stage Centrifugal Compressor (API617 & API 672)

Krone KRC70X is a horizontal, multi-stages, integrally-geared, high speed, and efficient compressor (up to four stages) which operate vibration-free. It has been constructed in accordance with API 672 standard. Krone KRC70X is a good solution for operation in instrument air supplement services. The efficiency has been increased in KRC70X by using more than one stage and employing intercooling between stages


Pressure RatioUp to 20
Max. FlowUp to 10,0003/hr
Max. PowerUp to 2 MW
Impeller Clearance0.03″ to 0.05″
Max. Suction Pressure70 bar
Speed RangeUp to 42,000 RPM
Mounting ConfigurationHorizontal
Suction Flanges3” Up to 14″
Discharge Flanges2” Up to 12″
Gearbox Lube SystemPressurized using internal lube pump
Corrosion Allowance4 mm
Temp Range-150 up to 250 degree centigrade


  • Atomizing Air
  • Chlorine
  • Regeneration
  • Acetic Acid
  • Evaporators
  • Waste Gas
  • Corrosive Gases
  • Gas Production
  • Nitrogen
  • Stripper Overhead
  • Natural Gas Extraction
  • Chemical Transfer
  • H2S Wet Gas
  • General Processing Industry
  • HC Boost
  • Fuel Gas
  • OEM
  • Clean Fuels
  • Hydrocarbon Processing
  • Acetylene

  • Purge Gas
  • Flue Gas Desulphurization
  • Refrigeration
  • Gas Boost
  • Recycle
  • Power Generation
  • Ethylene
  • Chemical Processing
  • Gasification
  • Butane
  • Pipeline Booster
  • Petroleum Production and Refining
  • Hydrogen
  • MTBE Replacement
  • Natural Gas
  • Ammonia
  • Polypropylene
  • Lift Gas
  • Desulfurization
  • Vapor Recovery


General Arrangment

Exploded View

Performance Range


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