When it comes to medium-or small-scale decentralised electric power generator units, more and more customers from industry, local government, trade and energy suppliers, are turning to the experts at Spilling. That's because Spilling products are custom-developed and -designed to produce the ideal electricity solution for each user. Within the steam and gas expansion engines sector, Spilling commands such a diversified product line that it can cover the most varied applications with (expansion) engines and turbines.

Gas expansion units exploit the pressure difference between the natural gas pipeline and the distribution networks or consumers for extracting mechanical or electrical energy.

As far back as the late 70s, the Spilling gas expander has been the first choice for a long line of public utility and industrial enterprises. Today, it is deployed in an increasing number of systems within Germany as well as abroad - its huge operating range, at constant efficiency, makes the engine perfectly suitable for engines in pressure reducing stations with highly varying gas flows.

Today gas expansion plants are the power plant type which exhibits the highest level of conversion efficiency for the generation of electricity. Depending on plant design, 80-90% of the additional fuel energy required for the Spilling expansion engine is converted to electricity. This means that fuel efficiency is far superior to that of the most modern gas and steam power plants. The Spilling gas expanders are extremely resource-saving in operation and contribute to the overall reduction of CO2 emissions. If waste heat for the preheating is used, the power generation can bring CO2 emissions nearly to zero. The volumetric control guarantees a high power yield due to consistently high efficiency levels over a wide operative range.

The Spilling gas expander
Output	kW	from approx. 100 to 3.000
Speeds	min–1	750, 900, 1.000, variable speeds
Inlet pressure	bar	from 6 to approx. 60 bar
Back pressure	bar	from 50 mbar to 25 bar
Gas volume flow rates	m³/s	from 5.000 to 100.000 Nm³/h

• Oil-free gas expansion engine, double-acting in-line engine, crosshead type
• Gas-tight, explosion-proof design, specially for natural gas and other combustible gases.
• Single- and multi-stage design depending on expansion pressure ratio
• Modular design from 1 to 6 cylinders per engine and diverse cylinder models to accommodate a wide range of gas throughput rates.
• Tandem arrangement for higher outputs
• Can be maintained in-house

Spilling can supply everything from an engine to an overall system as you wish. That includes the application-specific system design for the preheating as well as piping and mounting, electrical, control, and security engineering.

If you would like a layout or a quotation, please use the questionnaire to submit your requirements.