Oil-free rotary screw blower ZS (VSD+)

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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

oil-free rotary screw blower ZS 4 VSD+_blower room

oil-free rotary screw blower ZS in wastewater treatment plant

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

More about Elektronikon®

Energy-efficient low pressure technology

30%

This is the average energy saving you get when using ZS oil-free screw blowers compared to lobe technology.

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.

Capacity FAD l/s	69 l/s - 2 528 l/s 69 gal/min - 2 528 gal/min
Capacity FAD	248 m³/h - 9 100 m³/h 146,07 cfm - 5 359,9 cfm
Working pressure	0,3 bar(e) - 1,2 bar(e) 4,4 psig - 17,4 psig
Installed motor power	18 kW - 355 kW 24,14 HP - 476,06 HP

Downloads

ZS 18-315 (18-315 kW / 24-422 hp) ZS 18-355 VSD (18-355 kW / 24-475 hp) 5.8 MB, PDF

ZS 4 - ZS 4 VSD - ZS 4 VSD+_EN 23.7 MB, PDF

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.

ZB 5-6 VSD+ installation picture complete room

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ZE 3 OEM_installation outdoor truck unloading_portrait

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