Atlas Copco: Innovator of Low-Pressure Blower Technologies
What Are Low-Pressure Blowers? Blowers and low-pressure compressors are specifically engineered for applications that require a pressure between 0.3 and 4 bar(g). Enormous energy gains can be made by choosing the right type and size of compressor for your applications. That's why Atlas Copco introduced several low-pressure technologies into the market, each of them engineered to match the exact pressure and flow requirements of your application.
Common Applications Using Blowers Blowers are used in a wide variety of applications and processes. Wastewater treatment, cement manufacturing, food and beverage, mining, bulk handling, and pneumatic conveying are common examples of these.
What Types of Low-Pressure Blowers Do We Offer?
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Oil-Free Screw Blowers (ZS series)
Oil-Free Low-pressure Screw Compressors (ZE/ZA series)
Oil-Free Lobe Blowers (ZL series)
Oil-Free Turbo Blowers (ZB VSD+ series)
Multistage Centrifugal Blowers (ZM series)
Want to Learn More About Low-Pressure Blowers?
Read The Oil-Free Blowers Blog | Discover Our Blowers Technology Guide
With a complete range, we fit the absolute best technology to you – no favoritism involved.
"It's very important that we have a blower that operates 24/7 without failure - and that's exactly what the Atlas Copco blower has provided."
- Dan Buehler, Superintendent, City of Port Washington WWTP
Switch to VSD Blowers Saves 25% Energy Costs for Scottish Wastewater Treatment Plant
Scottish Water’s Nigg wastewater treatment plant now achieves continuous, uninterrupted operation while saving 25% on its energy costs - simply by switching from lobe blowers to our VSD rotary screw blowers!
- Low Pressure Products and Applications 12.8 MB, PDF
- The History of Low-Pressure Blowers 1.7 MB, PDF
Meet Our Product Portfolio
ZL Rotary Lobe
High Performance and Low Costs
Thanks to the simplicity and the tested design of the lobe blower, it is the ideal choice for difficult environments around the world that have limited supervision requirements, providing the exact amount of air requested by the application.
Methods of Operation • Pressurized (up to 14.5 psig) • In a vacuum (up to -7.25 psig)
Methods of Operation • Pressurized (up to 14.5 psig) • In a vacuum (up to -7.25 psig)
ZS Oil-Free Screw Blower
A Complete Package for All Applications The ZS blower is designed to guarantee maximum product safety. It ensures a continuous and long-term supply of oil-free air, it is highly reliable and energy-efficient in all your applications, and has the lowest possible operating costs.
Maintenance costs and downtime are reduced due to the innovative technology of the screw blower. The blower is also available in a Plug & Play version, with an on-board ready-to-use Y/D starter or inverter.
A Complete Package for All Applications The ZS blower is designed to guarantee maximum product safety. It ensures a continuous and long-term supply of oil-free air, it is highly reliable and energy-efficient in all your applications, and has the lowest possible operating costs.
Maintenance costs and downtime are reduced due to the innovative technology of the screw blower. The blower is also available in a Plug & Play version, with an on-board ready-to-use Y/D starter or inverter.
ZB VSD Centrifugal Blower
Proven Reliability
Low pressure compressed air is the basis of many production processes. A reliable and constant flow is essential and the air quality must be high. Aeration for waste water, printing, air separation, fermentation and processing of non-woven fabric do not tolerate product contamination.
The Atlas Copco ZB range is the ideal choice for meeting the high demands of these processes. This range offers a complete package that comes with all the components perfectly synchronized.
The Atlas Copco ZB range is the ideal choice for meeting the high demands of these processes. This range offers a complete package that comes with all the components perfectly synchronized.
ZE/ZA Single Stage Screw Compressor
Easy Installation
The ZE/ZA compressor is supplied as a ready to use all-in-one package and includes a powerful controller and an optional integrated after-chiller (internal or external depending on the model). The completeness of the supply eliminates the need for additional components and minimizes installation work, consequently saving time and money.
The ZE/ZA compressor is immediately operational, as it is built to be easily integrated into the existing compressed air network.
The ZE/ZA compressor is supplied as a ready to use all-in-one package and includes a powerful controller and an optional integrated after-chiller (internal or external depending on the model). The completeness of the supply eliminates the need for additional components and minimizes installation work, consequently saving time and money.
The ZE/ZA compressor is immediately operational, as it is built to be easily integrated into the existing compressed air network.
ZM Centrifugal Blower with Side Channels
Great Energy Efficiency in the Compression of Air or Gas, Including in a Vacuum The ZM series is a centrifugal blower with oil-free compression and a variable number of stages, depending on the desired flow rate and pressure.
The blower is air cooled and is designed to be used with an inverter and based on a pressure range of up to 20 psig (under pressure), -7.25 psig (in a vacuum) and a flow rate up to 32,000 psig for air or gas.
Great Energy Efficiency in the Compression of Air or Gas, Including in a Vacuum The ZM series is a centrifugal blower with oil-free compression and a variable number of stages, depending on the desired flow rate and pressure.
The blower is air cooled and is designed to be used with an inverter and based on a pressure range of up to 20 psig (under pressure), -7.25 psig (in a vacuum) and a flow rate up to 32,000 psig for air or gas.
Learn More About Our Products
Where and How are Low-Pressure Blowers Used?
Blowers in Wastewater Treatment
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Blowers in Wastewater Treatment
Wastewater treatment is by farthe industry that you think of when discussing ideal applications for blowers.
Wastewater treatment is by farthe industry that you think of when discussing ideal applications for blowers.
Wastewater treatment is by farthe industry that you think of when discussing ideal applications for blowers.
Blowers in Cement Manufacturing
![blowers in cement manufacturing]()
Blowers in Cement Manufacturing
Cement manufacturing is a strategic industry that employs blower technologies. Learn more about the role that blowers play in the creation and distribution of cement!
Cement manufacturing is a strategic industry that employs blower technologies. Learn more about the role that blowers play in the creation and distribution of cement!
Cement manufacturing is a strategic industry that employs blower technologies. Learn more about the role that blowers play in the creation and distribution of cement!
Blowers in Crude Oil Refining
![blowers in crude oil refining]()
Blowers in Crude Oil Refining
Blowers are an essential element in crude oil refining, specifically within sulfur recovery and thermal incineration & oxidation, as well as carbon black production.
Blowers are an essential element in crude oil refining, specifically within sulfur recovery and thermal incineration & oxidation, as well as carbon black production.
Blowers are an essential element in crude oil refining, specifically within sulfur recovery and thermal incineration & oxidation, as well as carbon black production.
