Nikkiso Clean Energy & Industrial Gases Group

TURBO Process Systems
Hydrobrake [TH] Series


Oil Brake loaded Expanders designed for low pressure applications, typically 150# or 300# ratings. Compact and easy to install design for smaller ASU’s where lower cost / simplicity is a priority. Nikkiso ACD can provide in either RMU oil reservoir mounted design with wiring/instrumentation finalized by the site or fully skid mounted unit.

Features & Benefits

  • Compact footprint
  • “Zero leakage” inlet guide vanes
  • Rugged rotor design
  • Tapered shaft wheel attachment for field interchangeability
  • Components individually balanced for ease of field replacement
  • Externally adjustable power absorption contro
  • Labyrinth shaft seals with oil-free design
  • Manual or automatic oil brake flow control valve for adjustment


  • Air Separation
  • Liquification

Process Fluids

  • Air
  • Nitrogen
  • High oxygen concentrations above 23.5%

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  • Expander Ns Range 40 – 140
  • Expander Efficiency up to 88%
  • Expander Pressure Ratio up to 24:1
  • Tip Speed up to 1,200 ft/sec (366 m/s)
  • Rotor Speed up to 55,000 RPM
  • Refrigeration Production up to 200 HP (150 kW)