Industrial low-pressure air systems are increasingly focused on energy savings, operational stability and long-term cost control, especially in water treatment, pneumatic conveying and continuous manufacturing scenarios. To meet the growing demand for high-efficiency, zero-contamination low-pressure air equipment, Atlas Copco has upgraded its blower portfolio by launching the new-generation ZS 4 (VSD) oil-free screw blower. Built on the proven ZS blower platform and optimized with advanced VSD+ variable speed drive technology, the new model delivers notable improvements in energy efficiency, pressure stability, lifecycle economy and low-noise operation for heavy-duty industrial applications.
In terms of energy-saving performance, the ZS 4 (VSD) achieves up to 35% higher energy efficiency compared with traditional lobe blowers, with further optimized specific energy requirements (SER). The stable airflow output ensures consistent performance even under continuous load changes, effectively reducing operational expenditure and total cost of ownership for factories and water plants. In addition, the blower provides Class 0 oil-free air compression, guaranteeing ultra-clean and pollution-free air supply for environmentally sensitive and high-purity air scenarios. Optimized acoustic structure and internal damping technology lower operating noise to just 75 dB(A), greatly improving on-site working comfort and meeting modern factory environmental standards.
Through continuous technological iteration in energy-saving design and precision engineering, Atlas Copco’s updated blower series helps industrial facilities enhance operational productivity, lower carbon emissions and achieve sustainable, cost-effective production upgrades.
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