Cryostar Products – PT Spektrum Krisindo Elektrika

ECO Turbo Expander

Typical Application	Industrial Gas Industry (Air Separation Units: Nitrogen or Oxygen production, Nitrogen refrigeration loop) to provide refrigeration for power less than 80 kW.
Usual Gases Handled	Air, Nitrogen, or waste gas from air with high oxygen content possibility.
Features and Benefits	Turbo expander with oil shear brake mounted on a common shaft. Cartridge design for easy access to the rotating element without removing the expander casing. Spare plug-in unit for fast internal part changes, ensuring minimum downtime. Variable nozzles for a wide range of flows and pressures. Modular lube oil system feeding the oil brake and bearings. Standard cost-effective package with high reliability; customization available on request.
References	Cryostar has built more than 500 ECO expanders since 1983, with units in operation globally for major gas companies.

Application & Usage	Industrial Gas Industry: Air Separation Units for refrigeration and electricity recovery Oil and Gas Industry: Natural Gas treatment (dew point control, ethane recovery, LNG production, NGL and LPG recovery) Petrochemical Plants: Refrigeration in ethylene and ammonia/urea plants Energy Recovery: Pressure Let Down stations, Geothermal Kalina, ORC cycles
Usual Gases Handled	Air, Nitrogen, or waste gas with high oxygen content, (Sour) Natural Gas, H₂ & CH₄ mixtures, LNG, NGL, LPG
Key Features	Turbo expander and generator brake with gearbox for efficient power generation Cartridge design for easy access and maintenance Plug-in unit for fast replacement of internal parts Variable nozzles for a wide range of flows and pressures Modular lube oil system Customizable to meet stringent customer specifications like API614
Technical Specifications	Flow: Up to 2.5 million Nm³/h (550 kg/s) Pressures: Up to 200 bar Expander Temperature: -270°C to +200°C Power: Up to 15,000 kW (20,000 HP)