Efficiency and reliability is key for low cost of ownership
Up to 70% of the energy consumption in a wastewater treatment plant is used for aeration. Additionally, five to ten times the purchase price of a blower will be spent on the energy consumption of the units. Keeping energy costs down is key to keep total operational costs low. We are committed to keeping your operational costs down by offering one of the most efficient and reliable machines on the market, making your investment profitable as soon as possible.
Discover the features of different air blower technologies
| Technology | Lobe | Screw | Multistage centrifugal | High-speed centrifugal | Integrally geared centrifugal |
| Flow | Flow under 1000 m3/h |
Flow between 1000 - 7500 m3/h |
Flow between 10000 - 50000 m3/h |
Flow between 4000 - 10,000 m3/h | Flow 15000 m3/h |
| Medium | Air/Gas | Air | Air/Gas | Air | Air/Gas |
| Pressure | Up to 0.5 barg | 0.5 - 1.5 barg | 0.4 - 1.2 barg | 0.5 - 1.5 barg | 0.4 - 1.5 barg |
| Capital investment | Low | Medium | Medium | High | Very high |
| Efficiency | Low | High | Medium | Very high | High |
| Service required | Every 2000 hr | Every 6000 hr | Every 12000 hr | Every 12000 hr | Every 12000 hr |
| Reliability | Medium | High | High | High | High |
| Installation | Indoor / Outdoor | Indoor / Outdoor | Indoor / Outdoor |
Indoor only; clean room |
Indoor / Outdoor |
| Maximum ambient temperature | 55 ℃ | 55 ℃ | 60 ℃ | 45 ℃ | 55 ℃ |
| Turndown | Medium | Large with VSD | Medium VSD is optional |
Medium; always Offered with VSD |
Large if IGV & DGV used |
We develop the most energy-efficient and innovative technologies with comprehensive range of 100% oil-free air blowers for pressures between 0.3 and 4 bar(e) / 4.5 and 58 psig. Whatever your low pressure compressed air needs, our energy consultants can always recommend you the right solution.
Performance map of all the available Atlas Copco blower technologies
Hear from our customers!
Northumbrian Water opts for energy-efficient ZS screw blower
Atlas Copco ZS screw blowers helped us improved with 20% on energy usage, so we decided to replace all our conventional lobe blowers with Atlas Copco screw blowers.
Aquafin chose ZB centrifugal blower for their total cost of ownership approach
Aquafin, a company operating waste water infrastructure in Belgium, considered the total cost of ownership in the application of wastewater treatment. It was also important that the solution spoke not only to the financial aspects but also its environmental impact. With their sights set on the big picture, Atlas Copco was able to support their vision.
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