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Ventilation Technology from
ZIEHL-ABEGG

The ventilation technology business category at Ziehl-Abegg consists of four major divisions, there main product groups are listed below. For further information on the products including specifications regarding the application you require within the particular product groups, then please do not hesitate to contact us either by phone or using the quick contact form at the bottom of the page.

AXIAL FANS

Axial fans are mainly used for low pressure and larger air volumes. Ventilation, heating and cooling are thus the main application areas.For axial fans the concept of a propeller is applied. The flow through the impeller with the (propeller) blade is largely parallel to the rotor shaft, thus, the name axial fans.

The rotating blade has a complex profile to achieve highest efficency. Basically, the operating principle can be discribed like this: the air on the suction side flows constantly from all parts of the room to the inlet. Thus the inlet ring acts as a suction head. On the delivery side the air is ejected along the axis, effected by by the motion of the fan blades, pushing the air through the fan.

What advantages do axial fans from ZIEHL-ABEGG offer?

  • Ventilation, control and drive technology in a single solution
  • Low operating costs
  • Individual solutions and special solutions according to customer requirements
  • Compliance with the current ErP Directive
  • Compact dimensions
  • Extremely quiet operation
  • Numerous certifications (incl. VDE, CE, UL, CCC, EAC)
  • Durability

CENTRIFUGAL FANS

With centrifugal fans, it is usual for the direction of the air flow to change by an angle of 90 degrees. Free running impellers and scroll fans differ in that scroll fans require a volute casing to generate pressure.

Centrifugal fans are used for higher pressures and medium air volume flows. They are also used in ducted applications. Centrifugal fans provide great versatility in ventilation, cooling and air conditioning applications.

What advantages do centrifugal fans from ZIEHL-ABEGG offer?

  • Compact, stackable and modular fans
  • Durability
  • Choice of smart EC technology or simple AC motor variants
  • A range of different materials from steel to high-performance composite materials
  • Single or double inlet centrifugal fans
  • Centrifugal fans with backwards or forwards curved blades

ELECTRICAL DRIVES FOR FANS

Ziehl-Abegg external rotor motors combine the advantages of compact construction with the proven drive concept of a squirrel-cage motor (offered in two material types aluminium for eff2, copper for eff1), or a high efficiency EC motor. Drives from Ziehl-Abegg feature excellent constant speed characteristics.

Tailor-made drive solutions for the most varied applications can be realised by operating Ziehl-Abegg motors with matched frequency inverters and EC controllers. These solutions include amongst others: auxiliary drives for printing units, drives for automotive engineering, auxiliary drives for the paper industry, bowling-alley drives and compressor drives.

CONTROLLERS FOR FANS

Alongside the ventilation range of products there is an extensive range of control technology available, used to regulate the speed of fans. Through fan speed regulation, the air flow delievered by the fan is controlled. The whole purpose of fan speed control is to achieve optimal air quality levels – for example in occupied rooms or for industrial processes.

Ziehl-Abegg develops and produces controllers utilising different methods of speed control. This variety of fan speed control methods enables Ziehl-Abegg to offer fan speed control solutions which are accurately aligned with the preferences and demands of discerning customers.

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