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IE4 Super Premium Energy Efficient Drives for HUBER’s QPRESS

In an industry leading move, Hydroflux HUBER are now offering the QPRESS Rotary Screw with IE4 super efficiency motors, which provides much better energy efficiency at lower loads, as well as at normal operating conditions.

QPRESS provides similar volume reductions to centrifuges, but uses 90% less energy. With a maximum internal speed of 1RPM the machine is the most energy efficient sludge dewatering technology on the market, and maintenance costs are significantly reduced.

Huber QPress IE4 high efficiency drivesGraph: Energy savings from IE4 over IE2 in HUBER QPRESS. Data from “E-Klaer” Energy Research Project

“Hydroflux HUBER are again leading the industry with this feature. It’s important to maintain energy efficiency at low and medium loads, not just design loads.

The decision to use IE4 motors was based on the fact that a lot of energy is used in Sludge Dewatering, particularly when centrifuges are used. QPRESS is already 90% more efficient than centrifuges, but the inclusion of IE4 motors means that it’s the most efficient Rotary Screw Press on the market” says John Koumoukelis of Hydroflux HUBER.

HUBER SE of Germany recently participated in a research program sponsored by the German Ministry of Education and Research, called E-Klaer. The research and subsequent installations have demonstrated:Huber QPress Screw Press Sludge Dewatering Australia

  • 5 – 10 % energy saving at rated motor load (> 35 Hz, > 80 % load)
  • up to 30 % energy saving at partial loads (< 30 Hz, < 30 % load)


The HUBER QPRESS is a sustainable sludge dewatering technology that provides 85 – 90% reduction of sludge volumes produced in municipal and industrial wastewater plants, to produce a dry spadable cake. The high volume reductions result in a low cost of disposal and transport.

If you would like more information on the HUBER QPRESS please contact Hydroflux Huber on 1300 417 697

About the Hydroflux Group
The Hydroflux Group comprises seven companies based in Australia and the UK, providing design and build, equipment, processes and operational services in water and wastewater treatment. Hydroflux Huber specialises in municipal wastewater and sludge treatment and is the exclusive Australian representative for HUBER Technology, AEROSTRIP, CNP Technologies, Aeromix, Flootech MBBR and Organica Water. Hydroflux Huber Pty Ltd is a member of the Hydroflux Group.
11 July 2016

Hydroflux Huber Pty Ltd
Level 26, 44 Market St. Sydney NSW 2000 Australia
P +61 2 9089 8833 F +61 2 9089 8830
[email protected]