VFD is not a substitute for a Gearbox

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  When VFDs - Variable Frequency Drive - made their appearance about 50 years ago, it was considered a fascinating invention. Over the years VFDs...

A pump is not a bulb

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  The aim of the EU Eco-design Directive is to improve the environmental impact of energy-intensive products by optimising their design. Since pumps require a...

Energy-efficient boiler feed pump drive reduce electrical energy consumption of around 11,500 MW per...

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  SET has been awarded from swb Erzeugung AG & Co. KG to replace an existing hydraulic speed control coupling at the Mittelsbüren power plant...

Pump retrofit benefits – Design changes for new applications and improved durability

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  Technical paper by Rickie Nelson Pumps have a hard working life, especially in the petrochemical and oil and gas industries, where some of the fluids...

Photovoltaic pumping systems with inverters for the production of drinking water in Africa

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Technical paper by Julia Kövi In July/August 2019, clever off-grid photovoltaic pumping systems are emerging in Gambia, Africa through the collaboration of the GWE (German Water and...

Energy-efficient pumps secure water supply in Amman, Jordan

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  Andritz supplied 12 multi-stage axial split case and high-pressure ring section pumps to the Water Authority of Jordan last year. These energy-efficient pumps secure...

IE5 motor with electronic speed control for the IEC market

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WEG developed electronically commutated motors (WECM) for heating, ventilation and air conditioning (HVAC) applications in the IEC market at this year’s edition of SPS...

Sulzer to be distributor of MV variable speed drives in North America

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As part of a growing portfolio of services, Sulzer has signed an agreement with Nidec Industrial Solutions that will introduce customers to the high...

New series of Low Energy Air Diaphragm Pumps

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Tapflo named its new pump series "TC Intelligent pumps". The main step forward is the LEAP technology - ‘Low Energy Air Pump’. This is...

Affinity Law RPM

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In this edition of the Centrifugal Pump Minute, the specialists of Grisworld take a look at the Affinity Laws that help govern the performance of your...