- 16 August 2007 -
Putting smart flow conditioning practices to work
Measuring and conditioning the flow of your product through your system's pipes can save money and enable you to free up valuable floor space. Installing a flow meter is not enough. Don Lundberg, senior engineer at Fluid Components International, explains why flow conditioning is also critical.

- 6 June 2007 -
Perpetual motion - the lift station that refuses
to stop
Although some pump systems are forever giving trouble from the day they are installed, others seem to go on for ever. One such example was the Gorman-Rupp company's first ever lift station. Bearing the serial number 'A-001', and constructed of fiberglass reinforced polyester, this station has only required minimal maintenance and updating in its 40-year career - and is still going strong today.

- 9 May 2007 -
Is the additional cost of original spare pump parts worthwhile?
The decision regarding the purchase and use of original spare parts or cheaper parts from replica manufacturers is one that all pump operators face at one time or another. For one user in Germany , the operator of a sewage treatment plant, the decision is clear cut, as Jörg Gertz reports.

- 30 January 2006 -
AC induction motor specifications for larger AC motors
Increasing plant capacity can also increase headaches, and motors present their own particular minefield. This article discusses specifying larger AC types. more

- 06 January 2006 -
Seal selection for rotary plant
For many the choice of seal is between a packed gland or mechanical seal. Here we present an overview of sealing options for centrifugal pumps. more

- 13 December 2005 -
Taming vibration demons with flexible couplings
This article examines the problems of torsional vibration and highlights the advantages of rubber-in-compression couplings in providing a solution. more

- 29 November 2005 -
Oversizing pump motors
Oversizing pump motors can decrease efficiency and cost effectiveness, here we discuss how manufacturers can achieve maximum pump/motor efficiencies by ensuring that motors match pumps. more

- 08 August 2005 -
Motors to reduce running costs
Motors form a significant part in the running costs of any pump system. Here, we compare the differences between energy efficient motors, as labelled by the EU, and argue the case for paying for quality. more

- 12 July 2005 -
Variable speed pumping: myths and legends
An examination of the myths and legends surrounding variable frequency technology and its application finds that the obstacles are more imagined than real. more

- 12 May 2005 -
Benefits of on-line relief valve testing
Although stystem improvements have meant that the frequency between shut downs of pressurised equipment is reduced, valve testing still has to be maintained. Tony Nicholls looks at the developements in on-line relief valve testing. more

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