29 - 30 March 2023
Messe Dortmund

Trade show for granules, Powders and Bulk Solids Technologies

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New Delta Hybrid sizes: Maximum energy efficiency, minimum TCO. AERZEN expands its successful screw blower series.
Aerzener Maschinenfabrik GmbH

New Delta Hybrid sizes: Maximum energy efficiency, minimum TCO. AERZEN expands its successful screw blower series.

The new types impress with smart features, further improved functionality and enormous energy savings of up to 30 % compared to a conventional positive displacement blower.



Plus in efficiency, durability and user-friendliness
Thanks to an innovative compressor stage with new high-efficiency screw profiles, internal flow optimisation, coupled with motors of energy efficiency class IE4 as standard, optimised guiding of cooling and exhaust air as well as a self-tensioning belt drive with an efficiency of over 98% in conjunction with a pinpoint design, outstanding energy savings of up to 30% are achieved compared with a conventional blower. The extended control range of 1:5 is also trend-setting.
The patented bearing enables a service life of 70,000 hours and more. An effective sealing concept for the driving shaft and the conveying chamber minimises natural wear and also guarantees oil-free operation in accordance with ISO 8573-1 class0. The patented, reactive silencer without absorption

material successfully prevents contamination of process air or of the downstream process system. This is a decisive factor for sustainable, safe and long-lasting operation in food industry or wastewater treatment.
The smart oil system, which manages with a very low oil quantity and doubled change intervals of 16,000 operating hours, has a positive effect on the longevity and the maintenance effort. Another plus: thanks to the selected driving concept, subsequent volume flow adjustments can be implemented at any time. The compact design enables a space-saving side-by-side installation (no distance between the machines required), resulting in a smaller machine room and, thus, lower investment in the building.

New benchmark for blower technology
Incredibly efficient and unrivalled reliability in operation: the four new assembly sizes cover volume flows from about 2 to 30 m³/min and driving power from 7.5 to 55 kW.


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