Turbo Expanders (TEB & TEG Series)

Turbo Expanders (TEB & TEG Series)

Contact our engineering team for technical data sheets, sizing and a commercial offer tailored to your project.

Turbo expanders are widely used in petrochemical applications (propane, propylene & PTA), in air separation units for cryogenic expansion, and in gas processing units such as NGL — by well-known manufacturers and according to API and non-API standards.

Building on our turbomachinery portfolio, we supply the following types of expander units:

  • Expander – Generator (TEG series)
  • Expander – Booster Compressor (TEB series)

Technical range

  Turbo Expander & Booster (TEB series) Turbo Expander & Generator (TEG series)
Type Single unit and dual unit (warm and cold) Single-stage and multi-stage
Flow rate 4,000 – 120,000 Nm³/h (up to 120,000 Nm³/h ASU) 4,000 – 120,000 Nm³/h
Pressure range 0.2 – 7.0 MPa 0.2 – 7.0 MPa
Pressure ratio Up to 21:1 Up to 70:1
Temperature range −260 to 200 °C −260 to 200 °C
Expander efficiency Up to 89% Up to 87%
Refrigeration power 100 – 3,000 kW 50 – 8,000 kW
Shaft speed 10,000 – 80,000 rpm 5,000 – 30,000 rpm
Impeller size 80 – 550 mm (one-piece forged closed impellers) 80 – 550 mm (one-piece forged closed impellers)
Covered gas Air, nitrogen, hydrogen, natural gas and other hydrocarbon gases