Positive Displacement Blowers

Tried and tested – more innovative than ever

AERZEN made Europe’s first positive displacement blower. That was in 1868. Today these stages and packaged units are numbered among the most successful compressors of all time. We manufacture highly-developed standard products for the most diverse range of applications that are used in all branches of industry. Our machines are high-performance, economical and extremely durable. The roots design paved the way for the development of the AERZEN positive displacement blowers, and it is a good thing that it did. Even now, 150 years later, it is still one of our most successful construction designs. Today AERZEN twin-shaft positive displacement blowers for oil-free conveyance are more innovative than ever. The many developments in construction ensure first-class values when it comes to efficiency.

AERZEN patented technology such as the integrated pulsation reduction ensure low noise emissions and vibrations. Also typical for AERZEN blowers is the ease of servicing and long term reduction in life-cycle costs. And the list of innovative details goes on and on. But what matters most in practical everyday terms? The lasting quality of our blowers. That is what Made in AERZEN is known for.

 

US Units

No

Vacuum Blower
Canned Motor Blower - Series HM

Type of technology
Positive Displacement Blowers
Vacuum
10^-5 to 0 mbar
Volume flow
406 to 15.570 m3/h
Medium
Air, Neutral Gases, Aggressive Gases

Vacuum Blower
with Pre-inlet cooling - Series mHV

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
-800 to 0 mbar
Volume flow
60 to 45.000 m3/h
Medium
Air, Neutral Gases

Vacuum Blower
High Vacuum Blower - Series HV

Type of technology
Positive Displacement Blowers
Vacuum
10^-3 to 200 mbar
Volume flow
180 to 97.000 m3/h
Medium
Air, Neutral Gases, Aggressive Gases

High Pressure Gas Booster
Series GM-HP

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
150 to 2.000 mbar
Volume flow
50 to 38.000 m3/h
Medium
Process Gases

Low Pressure Gas Booster
Series GMD

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
150 to 1.000 mbar
Volume flow
30 to 11.000 m3/h
Medium
Process Gases

Bulk Vehicle Blowers

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
-500 to 1.200 mbar
Volume flow
1.500 to 3.200 m3/h
Medium
Air

Large Blower
Series Alpha Blower

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
-600 to 1.000 mbar
Volume flow
9.600 to 77.000 m3/h
Medium
Air, Neutral Gases

Positive Displacement Blower Stages
Series GM

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
-500 to 1.000 mbar
Volume flow
30 to 65.000 m3/h
Medium
Air, Neutral Gases

Biogas Blower
Delta Blower GM4S ... GM240S

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
-500 to 1.000 mbar
Volume flow
60 to 12.000 m3/h
Medium
Landfill and Biogas, Noble Gases

Process Gas Blower
Series GQ

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
150 to 1.500 mbar
Volume flow
910 to 104.000 m3/h
Medium
Process Gases

Process Gas Blower
Series GR

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
150 to 1.500 mbar
Volume flow
90 to 38.000 m3/h
Medium
Process Gases

Positive Displacement Blower
Delta Blower Generation 5

Type of technology
Positive Displacement Blowers
Differential pressure (Δp)
-500 to 1.000 mbar
Volume flow
30 to 15.000 m3/h
Medium
Air, Neutral Gases

AERZEN Positive Displacement Blowers

The company’s compressors and blowers have their uses in a wide range of industries. The main field of application for blowers and compressors is in the treatment of water and wastewater. The compressors and blowers are used for aerating aeration tanks in wastewater treatment plants, either individually or as a group of machines. By nature, this process is very energy-efficient and therefore also cost-efficient. As an application specialist, AERZEN has developed very efficient and resource-saving solutions for this area with the aid of intelligent control systems, a combination of various air compressor technologies and opportunities for heat recovery.

Blowers are also used in pneumatic conveying, chemical and process engineering, pressure and vacuum technology, and the process gas and refrigeration industry. Because of the range of sizes, types of construction and special equipment, positive displacement blowers can be implemented extremely flexibly. The machines can be fitted either vertically or horizontally. There is also a lot of flexibility when it comes to the conveyed media: the range of applications stretches from air and oxygen to inert, corrosive or toxic gases.

Blower engineering is based on the Roots principle. The term “Roots” blower dates back to the American inventors Philander and Francis Roots, who had the Roots blower patented in 1860. Roots technology involves three-lobe rotary pistons circling in a cylindrical housing, thus transporting the gaseous medium from the suction side to the discharge side. The compression of the medium is created by backflow of the accelerated gases on the discharge side. This generates a differential pressure of up to 1000 mbar.

The company’ positive displacement blowers are efficient, long-lasting, robust and are used around the world. There is a reason behind the proverbial reliability of the machines: AERZEN manufactures all key components in house, from the assembly through to the control system and, in so doing, the family-run company places value on quality and sustainability. Only high quality materials are used for the production. Development, production, sales, assembly and maintenance of the company's products as well as the quality management system have gained multiple certifications.

The name Generation 5 refers to the many technical innovations which this product embodies. One of these is the large volume range. The advanced blower for the handling of air and inert gases generates a volume of 30 to 15,000 m3/h. The positive displacement blower is available in all standard sizes, can be modified to customer specifications, therefore allowing flexible implementation. Furthermore, the series features high efficiency, low maintenance costs, reduced life cycle costs, compactness and simple handling.

100% pure process air

Another selling point is the generation of TÜV-certified oil-free process gas. This specifically plays a major role in industry sectors such as food processing, in which the blowers are used e.g. for pneumatic conveying or aeration of bulk goods such as flour or other powdery foods.

Silencers free from absorbing material

In this sector, there is another important feature of the Generation 5 Delta Blower type machines: they provide innovative sound protection with reactive silencers. Conventional silencers are equipped with sound proofing which over time become tired and worn by the sound wave energy. This wear puts the process air at risk of soiling by the absorbing material. The innovative reactive silencer by AERZEN is free of absorbents and only silences the sound by diverting the air – this feature makes this type of machine particularly suitable for use in the food and chemical industry. The patented sound protection technology also has other advantages: the purity of the medium prevents soiling in the machine. Pressure losses which arise in all compressed air applications remain constant throughout its lifetime. It avoids an increase in pressure losses through deposits in the machine, and reduces cleaning and maintenance costs.

The base supports for the blowers are also certified as spark arresters for ATEX applications. 

Made quieter with integrated pulsation reduction

An innovation specially developed for the Delta Blower is represented by the patented process of pulsation reduction, which is integrated into the step itself. Two channels cast into the cylinder allow the reversing the medium into the conveying chamber to be controlled in such a way as to avoid return and squeezing pulses. This already minimises sound in the blower step and increases the lifetime of the bearings. This technology is integrated into all sizes of the Delta Blower.

Intelligent design – easy handling

The latest generation of positive displacement blowers also score with their overall design: they feature a compact construction form and only require one small assembly space. This allows machine rooms to be built with smaller dimensions. The compact design allows transportation with a fork lift truck or elevating platform. Flexible machine mounts isolate the impact sound, thus contributing to quieter operation. The design also enables user-friendly access to the front. For example, the oil level can be read from the outside while the machine is running, and the wearing parts such as the oil filter can be checked simply and quickly.

The extremely robust design makes it possible to use the blower for continuous operation even under difficult environmental conditions. Delta Blower type positive displacement blowers are suitable for use in all climates – with corresponding modifications, even in earthquake zones – or for installation on ships or for other mobile applications.

AERZEN produces high quality standard products, but also offers a wide range of customer-specific modifications. Depending on the customer's wishes, the application of special motors, special coatings or ATEX versions are possible. If the assembly requires installation in the desert, it can be specially equipped with a sand collector. Special robust acoustic hoods are available for increased wind loads in earthquake or hurricane-prone regions. If required, components can be built in special construction materials for the application of special gases. Customer-specific extended documentation is also possible.

The company is a global player and offers excellent service: With more than 45 subsidiaries, country agents and more than 2,000 employees, it is present around the globe. The service which the company provides for its customers all over the globe is also present and close by. The close-nit sales and company network guarantees reliable availability of AERZEN machines and service provision – local support is possible throughout the life cycle of a plant. The company offers its customers an extensive range of services that goes beyond replacement parts and repairs. In addition to professional commissioning of new plants, AERZEN also offers on-site training sessions, machine monitoring and machine inspections. Also available are individual service and maintenance contracts, attractive plug & play solutions, which are supplied as fully configured, parametrised and installation-ready machines together with an integrated service package.

Other product categories

Blowers for Air and Neutral Gases

Process Gas Blowers

Vacuum Pumps

Biogas Blowers

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Reherweg 28

31855 Aerzen

Phone: +49 5154 81-0

Fax: +49 5154 81-9191

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31855 Aerzen

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FI-02880 Veikkola

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FI-02880 Veikkola

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2104 Auckland

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Chungcheongbuk-28220 Korea

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Aerzen House, Langston Rd IG10 3SL United Kingdom

 Loughton

Phone: 020 8502 8100

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