Cryogenic Process Systems Plant Services

With over 60 years of experience designing and building cryogenic process plants, Nikkiso Cryogenic Industries Service companies can add value to your plant assets with services that maximize the investment return from your Air Separation Plant or Natural
Gas Liquefier.



Services Offered

  • Process Performance/Efficiency Evaluation and Optimization
  • Debottlenecking
  •  Equipment Upgrades
    – NG pretreatment
    – Cooling systems
    – Compressors
    – Liquefiers/turboexpanders
  • Control Systems Upgrades
  • OPEX Reduction
  • Operator Training
  • On Site Services
  • Remote troubleshooting and training reinforcement



  • Cryogenic Air Separation Plants
  • Oxygen and Nitrogen Liquefiers
  • Natural Gas Liquefiers
  • Argon Recovery
  • Nitrogen Expander Refrigeration Cycles
  • Single Mixed Refrigerant (SMR) Refrigerant Cycles
  • Amine wash and Molecular Sieves Adsorption system
  • Natural Gas Treatment Systems
  • Hydrocarbon Separation
  • Nitrogen Rejection Units for Natural Gas
  • Boil Off Gas Management Systems
  • Turboexpanders


We value the relationships that we have built for over 60 years in the industry and we are committed to ensuring that our customers are satisfied with their cryogenic equipment, whether it is a Nikkiso product or not. Our experts will work with your team to evaluate your challenge and provide solutions to repair, replace or improve your processes.

Our company has provided quality support dating back to the early Apollo missions, and we continue to serve industries such as Aerospace, Utilities, LNG Merchants, Major Industrial Gas Suppliers, and Owner Operated Industrial gas plants.