ZS (VSD+) oil-free screw blower, a true energy saver

ZS VSD+ screw blowers reduce energy costs up to 30% compared to conventional lobe blowers. They are Class 0-certified, have an easy set-up, low noise levels and provide 24/7 reliability.
Discover our new ZS 4 series
Quality certified

ISO 9001 quality certification standard for all our oil-free screw technology. Our built quality increases your production reliability.

Maximize your energy savings

Compared to lobe technology the ZS oil-free screw saves an average of 30% on your energy costs. Further savings can be achieved with VSD technology.

Avoid oil contamination

Avoid the risk of contamination or production downtime with our ISO 8573-1 Class 0 certified positive displacement screw blowers.

Easy installation

Minimize your installation time and costs with our complete ZS package design.

Quiet operation

Our ZS(VSD+) packages run at extremely low noise levels compared to open frame lobe blowers.

Intelligent control and monitoring

The advanced control system maximizes the reliability of your blower installation. Monitors overall system performance with service indications, malfunction alarms and safety shutdowns

30 %

This is the average energy saving you get when using ZS oil-free screw blowers compared to lobe technology.
<p>Discover the air flow optimization comparison in the below animation.

Bring down your energy bill significantly
Rotary screw technology has now established itself as the energy efficient alternative to lobe type air blowers. Our ZS packages reduce your energy costs by an average of 30%. No matter which low pressure application (such as Waste Water Treatment, pneumatic conveying, desulphurisation), our ISO 8573-1 Class 0 certified positive displacement screw blowers protect all your critical processes and products. Variable speed drive technology helps you save even more money by adjusting the air pressure flow and motor speed to your specific needs.
Technical specifications
Capacity FAD l/s 69 l/s - 2,528 l/s
Capacity FAD 248 m³/h - 9,100 m³/h
Working pressure 0.3 bar(e) - 1.2 bar(e)
Installed motor power 18 kW - 355 kW
Industries

Customer stories

ZS VSD screw blower brings efficiency to sewage treatment works

High energy savings, lower maintenance costs. That is what has convinced seawage treatment works at Müster in Germany, to work with us
Northumbrian Water opts for energy-efficient ZS screw blower technology

Northumbrian Water, a leading provider of water and sewerage services in the North East of England, has chosen Atlas Copco screw blower technology to help reduce energy consumption and minimise service costs at its sewage treatment works in Newton Aycliffe, County Durham.
Crushing and refining processes for siliceous earth? Leave the air to us

Hoffmann Mineral GmbH, in Neuburg an der Donau, Germany, relies on our ZS range, delivering clean, efficient oil-free air for pneumatic conveying and air separation.

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Services

Monitor your compressed air installation with SMARTLINK

Knowing the status of your compressed air equipment at all times is the surest way to achieve optimal efficiency and maximum availability
Preventive Maintenance Plan for optimal compressor uptime

Increase energy efficiency and optimize your compressor uptime with a preventive maintenance plan.
Complete compressor care with our Total Responsibility Plan

We take care of all your compressor maintenance, upgrades, repairs and even breakdowns for an all-inclusive price
Optimize your air flow with central controllers

Stabilize your system and and lower your energy costs with a tighter pressure band.