LINEX – Natural Gas Liquefaction Plants

Brochures & Resources

Simple. Reliable. Affordable.

Nikkiso Cosmodyne’s LINEX series of natural gas liquefiers liquefy a clean stream of natural gas. The plant utilizes a proven and environmentally friendly, closed-loop nitrogen expansion cycle as the refrigerant. The LINEX plants are ideally designed for the new high horsepower users LNG in the rail, marine, mining, trucking and oilfield markets. Traditional users such as utility peak shaving, power generation, virtual pipelines and commercial / industrial operations are also excellent fits for the LINEX technology. The LINEX series plants are modular and allow an operator to scale-up according to market demands by building up their capacity in a series of trains. The LINEX plant provides our clients with the lowest installed cost per gallon. Each plant is a modularized, skid-mounted system manufactured at Nikkiso Cosmodyne’s facilities for standard over-the-road shipping and easy installation.


Features & Benefits

  • CAPEX savings with lower cost non-hydrocarbon compressors and expanders
  • OPEX savings from proportional turndown efficiency (up to 65% efficient turndown)
  • Expandable for growing with the market
  • inherent safety with inert, non polluting, corrosion-free nitrogen refrigerant
  • No storing, mixing and managing of mixed hydrocarbons
  • Simple and rapid return to service after shutdown
  • Reduced operator training and education requirements
  • Automatic efficiency boost when ambient temperatures fall
  • Operation easily adapts to changing feed gas composition
  • Cooling Systems (Evaporative, Closed-Loop or Gas-to-Air)
  • Feed Gas Pretreatment (Water, Carbon Dioxide, Others)
  • LNG Specification Matching
  • Gas Stream Product Separation
  • Trailer Loading Stations
  • Gas Turbine or Engine Driver (in lieu of electric motor)
  • Power Generation
  • Many More Tailored to Customer Requirements
  • Open-loop liquefiers (sacrificial nitrogen)
  • Boil-off gas recondensers


  • Transportation / Distribution
  • Peak Shaving
  • Virtual Pipelines


  • On-site or in-factory operator training
  • Installation and commissioning assistance
  • Extended warranty package
  • Service package
  • Aftermarket spare parts support
  • Aftermarket technical support

LINEX Performance Table

Click on table to open in a new window.


Nikkiso Cosmodyne offers a complete series of standard solutions sized for typical customer requirements and market situations. We can also economically tailor the systems to meet other capacity requirements in addition to standard sizes. The LINEX line uses an efficient closed-loop, dual expander nitrogen refrigeration cycle to liquefy the process gas.