Atlas Copco debuts ZS 4 (VSD) blowers

Building on the success of the ZS blower platform and incorporating advancements from VSD+ (variable speed drive) technology, the ZS 4 (VSD) delivers enhanced energy efficiency, optimised pressure performance, lower lifecycle costs and quieter operation for demanding industrial applications. 

The ZS 4 (VSD) is available with a low pressure (below 800 mbar) element for applications such as wastewater aeration. For pneumatic conveying and other industrial settings, it offers an advanced high-pressure element. The new blower range includes an innovative smart pressure split design, ensuring optimal operation across varying pressure demands; and is available in a power range of 37-90 kW. Its high-efficiency IE4/IE5 motor helps reduce energy consumption while maintaining stable airflow and consistent output.

"With AMP8 driving increased investment across the UK water sector, energy efficiency and whole-life cost reduction remain key priorities for wastewater operators. The ZS 4 (VSD) has been developed to help utilities meet these challenges through lower energy consumption, reduced maintenance requirements and reliable long-term operation," said Kirk Lyons, national sales manager - low pressure at Atlas Copco Compressors UK.

With up to 35% greater energy efficiency compared to traditional lobe blowers and a 3% improvement in specific energy requirement (SER), the ZS 4 (VSD) helps customers lower operating costs and reduce total cost of ownership. Performance benefits include stable airflow, even under constant load, and optimised output across varying pressure requirements. Class 0 oil-free compression ensures clean, reliable air, while noise levels as low as 75 dB(A) - due to refined acoustics and internal damping - support improved working environments.

Reliability features include a warranty of up to 5 years on the screw element (up to 60,000 hours, subject to the use of Atlas Copco genuine parts and certified service), robust construction for harsh industrial conditions and reduced mechanical stress for fewer failure points and a longer lifespan.

Compact, quiet, and plug-and-play, the ZS 4 (VSD) sets a new benchmark for oil-free blowers. By combining advanced engineering with energy-saving innovations, Atlas Copco continues to support industries in improving productivity, reducing environmental impact, and lowering operating costs.

To find out more about the ZS 4 (VSD) oil-free screw blower range and its suitability for wastewater and industrial applications, visit: hubs.li/Q04lbz_V0

www.atlascopco.com/en-uk/compressors