Atlas Copco GA VSD+ variable speed drive compressor

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Atlas Copco’s GA 7-37 VSD+ variable speed drive compressor is claimed to reduce energy consumption by 50% on average, compared to idling compressors. The product further realises a free air delivery (FAD) increase of up to 12%, says the company.

It is said to offer improved performance and a compact footprint of less than half of the current GA VSD, due to its vertical drive train design. The heart of the product is an interior permanent magnet motor directly coupled to Atlas Copco’s screw element, all of which have been in-house designed.

The drive train is a completely closed, oil-cooled unit that is both quiet and reliable (IP 66). With a silent motor and fully enclosed drive train, the compressor runs as quietly as 62 dB(A). All maintenance parts are easy accessible and the compressor allows for installation close to a wall or even in corners.

The Elektronikon controls the main drive motor and regulates system pressure within a pre-defined and narrow pressure band. The controller can be adapted to the user’s specific needs.

The product is available in a full feature version that includes the latest energy-friendly integrated refrigerant dryer.