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Clean room compressor

24th May 2018


Atlas Copco has launched the ZR 90-160 VSD+; a new range of oil-free rotary screw air compressors with motor variants of 90, 110, 132, 145 and 160 kW. They offer up to 10% more flow and up to 15% less energy consumption compared with other Variable Speed Drive (VSD) compressors, as well as a 25% reduction in floor-space.

 
Destined for applications in the food and beverage, electronics, automotive, textile and pharmaceutical industries, which require oil-free air to guarantee product integrity and quality, the water-cooled ZR 90-160 VSD+ is housed in a soundproof, enclosed canopy and equipped with two high-efficiency permanent magnet motors, plus a new state-of-the-art compressor element and cooler design.
 
The ZR 90-160 VSD+ compressor incorporates two permanent magnet motors, each independently driving the low and high pressure compression elements. The speed of the elements is controlled using Atlas Copco’s NEOS VSD technology. NEOS optimises the speed of both elements throughout the entire operational speed range of the compressor to maximise unit efficiency.
 
The NEOS drive and motors are designed and manufactured by Atlas Copco to ensure a perfect match and optimal performance. The reliable IP66 water-cooled permanent magnet motors contain oil-lubricated bearings to ensure a long maintenance-free lifetime. Moreover, all service parts are grouped together for ease of access for a minimal service time.
 
Mark Ranger, Business Line Manager for Oil-Free Air at Atlas Copco UK commented: “Not only does the innovative dual-motor concept enhance energy efficiency and output by up to 15 and 10% respectively, but there is the optional benefit of having an integrated, guaranteed -40°C pressure dew-point dryer that offers almost zero energy consumption. This Full Feature package will offer users true peace of mind, reduced installation materials and a through-life cost of ownership investment lower than any comparable oil-free compressor available today.”
 
Atlas Copco’s data monitoring program 'Smartlink' is also integrated as standard in the new range. This remote monitoring system provides analysis of the whole compressed air system, advises users on how they can reduce energy costs and can predict preventive maintenance interventions to avoid potential downtime.  
 
To illustrate the vast potential of the technology, Atlas Copco recently performed live field tests with a number of customers. This included Italian beer brand Peroni, who trialled a ZR 160 kW VSD+ oil-free compressor for over 6000 running hours at its production site in Padova, Italy. 

As an added benefit, the re-designed cooler incorporates a highly efficient water separator. Parallel water flow optimises cooling of the motor, element and the cooler itself. Meanwhile, enlarged stainless steel surface coolers improve cooling efficiency and ensure optimum performance over a long lifetime.
 







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