ST series: Single stage turbocompressors with integrated steam turbine driver.?The ST series is a range of integral turbo compressor / steam turbine-units with single shaft design. This compact design - impeller and turbine wheel are supported on a single rotor stand, with no coupling and gearbox - ensures very low steam consumption, high efficiency, low maintenance requirements and smallest footprint size.Gas flows up to 150,000 m³/h can be handled.This machine range serves demanding duties in process gas or air service, even in harsh environments. It provides state-of-the-art safety and reliability at lowest lifecycle costs to their owners, along with minimised initial capital expenditure.This machine range is optionally available in a design compliant to API Std 617 engineering practices and testing requirements. Highest aerodynamic efficiency.Widest performance envelope on the market.Very low steam consumption.Minimum cooling water requirements.Modular design principle.Integrated lube oil supply system.Wide range of proven aerodynamic impeller designs.Flow control via inlet guide vane unit, and speed control.Backward curved impellers with three-dimensional blades.Excellent wear resistance over the complete impeller.Maintenance friendly design. Sulphur Recovery Unit.Spent Acid Regeneration.Sulfuric Acid Plants (Chemical / Fertilizer).Steam Assisted Gravity Drainage.Chemical Plants (PA, MA, MMA, EO/EG, Acrylic Acid, Oxo-Alcohol