EGR Turbo Compressor

EGR turbo-compressor for reduction of NOx up to 80%

Exhaust Gas Recirculation (EGR) is a method to significantly reduce the formation of Nitrogen Oxides (NOx) in marine diesel engines. By using this technology, vessels are able to meet with the IMO NOx Tier III standard emission limits applying to the North American and United States Caribbean Sea as well as any new Emission Control Areas.

The EGR compressor is a single-stage turbo-compressor with oil lubricated bearings, direct driven with an asynchronous motor and a variable frequency drive. The design features the unique flow optimization mechanism, utilizing inlet guide vanes to optimize efficiency for a given motor rating.
The core compressor features an impeller, milled from a solid, forged piece of duplex stainless steel with an optimal weight/strength ratio. All parts in contact with the medium are made of corrosion resistant steel. The compressor is equipped with a contact free carbon floating ring sealing to ensure that no exhaust gas can escape from the compressor casing.

The EGR turbo-compressor is available in two sizes:

  • EGR-10, range from minimum 1,02 m3/s to maximum 3,60 m3/s
  • EGR-22, range from 1,80 m3/s to maximum 6,33 m3/s

 

 

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EGR series turbo compressor

Principle of the EGR system.​

​In the EGR system, after a cooling and cleaning process, part of the exhaust gas is recirculated to the scavenge air receiver. In this way, part of the oxygen in the scavenge air is replaced by CO2 from the combustion process.

This replacement decreases the O2 content and increases the heat capacity of the scavenge air, thus reducing the temperature peak of the combustion and the formation of NOx. The NOx reduction is almost linear to the ratio of recirculated exhaust gas.

Low speed blowers for Exhaust Gas Recirculation

Download our brochure to learn more about our easy to install unit

 

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Why choose the EGR Series turbo compressor?

Our experience

With over 100 years of experience and continuous development, and a fleet of more than 4,000 installed turbo compressors, we are a prime partner for your business.

Global presence, local service

In our experience, there is no substitute for local support, that‘s why we have local teams ready to help.

Research and development

Continuous research, development and analysis of both new and aftermarket turbo compressors to optimise customer benefits, product performance and reliability.

Modern manufacturing

Our state of the art production facilities and strict quality controls guaranties a highest degree of reliability and quality.

Reputation for quality

We are accredited to ISO 9001 and ISO 14001 and are regularly audited by major customers and internationally recognized assessment organizations.

Pre-designed turbo compressors

Our modular design always guarantees to serve you with perfectly tailored solutions based on well proven components only.

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