Motor Purge Systems

Purge & Pressurization systems for large electric motors & generators

With more than 7,500 purge and pressurization systems supplied for large electric motors and generators, Expo is the world’s most experienced designer and manufacturer. As the leading designer and manufacturer of systems, we have the right solution for your machine.

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Use the table below to choose a system suitable for your application

Purge gas flowrate / Expo system size

Standard Temperature –20°C to +55°C

Low Temperature –60°C to +55°C

High Temperature –20°C to +60°C

Up to 1500 Nl/min / Size 3

D818

D660

D670

Up to 6000 Nl/min / Size 5

D758

D760

D770

Up to 14,000 Nl/min / Size 7

D808

D860

D870

Special motor purge systems :
Expo can design and build custom motor purge systems, for instance for very large motors where high flow rates are required.
Please contact us for more details.

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