Atlas Copco has unveiled its new generation of oil-free low pressure rotary screw ZS 4 VSD+ blowers, which are equipped with integrated permanent magnet (iPM) motors. This, along with other design developments, contributes to them being the most energy-efficient blowers available in the market.
“ We deliver 30 per cent more flow with the new generation of ZS 4 VSD+ blowers compared to the current ZS VSD models. On top of that, the footprint of the models has decreased by 50 per cent, meaning they can fit in any existing blower room. ”
In food, non-woven textile and wastewater treatment plant applications air demand is often variable. For this reason, the new ZS blowers include a fully integrated Neos VSD inverter that automatically adjusts and optimises the air flow to meet demand. In tandem with this, the iPM motor ensures the blower’s performance is energy-efficient, even when it is running at partial load. The iPM motor has been designed and made in Belgium by Airtec, a division within Atlas Copco’s Compressor Technique business area.
The ZS 4 VSD+ blowers underwent a number of innovative design developments to ensure they are highly reliable and energy-efficient. For instance, the oil pump is now integrated into the oil-free screw blower element. This means whenever the element is running oil is being pumped around. As a result, the oil has a cooling effect on the element and increases its energy efficiency. To further enhance performance, the iPM motor includes a liquid cooled housing and oil-lubricated bearings to provide for cool operation and a longer lifetime.
“ With the introduction of the new ZS, we have set a new standard, as they can be used up to a working pressure of 1.5 bar. In the past, only custom designed machines could reach this level, but Atlas Copco is now offering it to customers as standard thanks to our brand new element, which is built around an efficient internal compression principle. ”
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Atlas Copco Compressors is the GB sales and service operation of the Atlas Copco Group providing oil-free and oil-injected stationary air compressors, gas and process compressors, vacuum pumps, turbo expanders, nitrogen generators, air treatment equipment (such as compressed air dryers, coolers, and filters) air management systems, and custom designed engineered packages.
Atlas Copco Compressors’ sales and distribution network means that specialist compressed air advice and service is always within easy reach. A team of over 80 service engineers operates across the country, to ensure maximum running efficiency and minimum downtime at its customers' sites.
In the United Kingdom, Atlas Copco also handles the sales and marketing of construction equipment, portable compressors and electric power generators, industrial power tools and assembly systems – all backed up by a nationwide sales, distribution, service and maintenance network.
Atlas Copco is a world-leading provider of sustainable productivity solutions. The Group serves customers through its innovative compressors, vacuum solutions, generators, pumps, power tools and assembly systems. Atlas Copco develops products and services focused on productivity, energy efficiency, safety and ergonomics. The company was founded in 1873, is based in Stockholm, Sweden, and has a global reach spanning more than 180 countries. In 2017, Atlas Copco had revenues of BSEK 86 (BEUR 9) and about 34,000 employees. Learn more at www.atlascopco.co.uk/compressors.
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For further editorial information contact Chris Butcher on 01582 390980.
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