- 28 February 2007 -
Engineering plastics in hot water applications
If your system runs hot (water, that is) then plastic components may be the best choice for long-term performance. Frank Heessels, Global Technology Manager of GE Plastics explains the science that goes into creating materials that can take the heat.
- 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
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
- 20 December 2004 -
Dual magnetic hermetic sealing devices for oil mist lubricated pumps and electric motors
Oil mist technology has become the predominant method of lubricating pumps at modern US refineries. Heinz P Bloch discusses the concept of oil mist lubrication and briefly reviews past and current best practices. more
- 14 October 2004 -
New developments in triple-offset butterfly valves
How a new generation of triple-offset butterfly valves can make to fluid control. more
- 13 Sept 2004 -
CFD and water pump design
How 3D computer simulations help speed up evaluation and optimize
the performance of new water pumps designs. more
- 31 Oct 2003 -
Valves need actuators
Actuators provide automatic control and monitoring of the
operation of valves. Here we discuss their evolving role and
use. 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
- 11 May 2006 -
Selecting the right slurry pump
Making informed decisions when selecting a slurry pump will save countless maintenance hours, substantially reduce downtime and save money in the future, explains Chuck Bonner. more
- 26 April 2006 -
Saving lifecycle costs through use of mineral cast pumps
A nerw pump solution for handling abrasive materials, based on the use of mineral casting, is explained by Dr Carsten Düchting. more
Pump Industry Analyst
Sealing Technology
World Pumps © Copyright 2008, Elsevier Ltd, All rights reserved.