- 19 August 2008 -
Tiny pumps drive portable medical devices
The performance and cost effectiveness of many portable medical devices can be enhanced by tailoring miniature diaphragm pumps and solenoid valves to meet system requirements. Dan Schimelman of Hargraves Technology examines the issues together with recent advances in fluidic components.

Read the full article

- 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

- 21 June 2006 -
Tales of a pump user
Pump consultant Joe Askew speaks to lead mechanical engineer Phil White about his experiences from the point of view of a pump user – the usefulness of manufacturers, the expertise of engineers, and how both could be improved. more

- 07 June 2006 -
Miniature diaphragm pumps meet the performance challenge
Increasing the performance while shrinking the size of miniature diagphrgam pumps has posed several interesting challenges. Here we explore one company's approach. more

- 14 November 2005 -
Metering and dosing pumps
Every industrial process where fluids are moved requires monitoring, flow metering and possibly flow control. Patrick Deniau of Dosapro Milton Roy reviews the options that can be employed. more

- 14 October 2005 -
Preventing equipment failure before it happens
Finding problems quickly not only saves costly system damage, but dramatically reduces operational costs. Predictive monitoring technologies can help and while they are not new, they may have come of age. more

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