Redesigned screw compressor range provides even better performance and energy savings

Written by: Justin Cunningham | Published:

Atlas Copco Compressors has redesigned its smallest oil-injected screw compressor range - the GA 5-11/GA 5-15 kW Variable Speed Drive (VSD). The new range sets a new industry standard for this size and type of compressor as it delivers greater performance, workplace flexibility, component reliability and significant energy savings.

The product of the most advanced development techniques, this new range offers a host of innovative features: a new-generation compression element, an 8% increase in air delivery, noise levels as low as 60 dB(A), new VSD voltage variants, an extended operating range, a new Elektronikon® controller, and an additional tank-mounted GA 15 VSD model.

Greater performance and energy savings
Energy consumption accounts for up to 70% of a compressor's lifecycle costs and so Atlas Copco is committed to reducing this cost with every new compressor generation it develops. With the redesigned GA range, Atlas Copco's engineers have succeeded in lowering SER (Specific Energy Requirements) by up to 8%, achieved by the introduction of a new screw compressor element within an enhanced package. At the same time, FAD (Free Air Delivery) has also been increased by up to 8%, resulting in significant savings in users' annual electricity bills.

In addition, for applications where the compressed air demand fluctuates, the advanced control algorithms of Atlas Copco's VSD (Variable Speed Drive) create average energy savings of up to 35%. The entire GA 5-15 VSD range has been equipped with new saver cycles on both fan and dryer, to increase the average energy savings even further.

Workplace flexibility
Installation flexibility is a major characteristic of the new GA 5-11/GA 5-15 VSD range. Atlas Copco's WorkPlace Concept is reinforced with operating noise levels starting from as low as 60 dB(A), making this new range the quietest in the complete GA-portfolio and subsequently allowing for installation close to the point of use. Installation cost is further minimised by extending the standard operating range in ambient conditions up to 46┬░ C, thereby eliminating the need for a dedicated compressor room.

More VSD models, including a tank-mounted GA 15 VSD and new standard Voltage 200/575 variants, reduce installation costs further.

Component reliability
The newly developed compressor element in the redesigned GA range has been designed for optimal performance and long service life. Compressor reliability is further increased by the improved belt-driven drive train, developed in accordance with the highest industry standards.

The introduction of the Elektronikon® MkV Graphic Controller in the GA 5-15 (VSD) allows for remote online monitoring through a simple Ethernet connection. This internet-based compressor operation visualisation increases both equipment reliability and efficiency by offering a great variety of control and monitoring features. The graphic controller (a standard feature for the VSD unit) is capable of simultaneously controlling up to six compressors.

Reliability is further improved by the introduction of a new integrated dryer range. By guaranteeing excellence in air quality, downstream equipment is protected from contamination; even in the most demanding environmental conditions.

With the GA 5-11/GA 5-15 VSD range, Atlas Copco reinforces and extends its premium offer in the smaller kW range. The drive for innovation has generated continuous product improvements, setting the highest standards in the field of oil-injected air. For a wide range of applications across a broad spectrum of industries that includes automotive, water treatment, air separation, construction and many others, there is now a compressor in this new GA 5-15 (VSD) range to suit each specific duty and compressed air requirement.


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