Ross Mackay is president of Ross Mackay Associates Ltd., Aurora, Ontario, a firm he started in 1990 to provide training and consulting on pumps. Previously, he worked for 30 years for three major pump manufacturers. He speaks regularly on pump reliability and is the author of a new book, “The Practical Pumping Handbook.” He also has written “12 Steps to Mechanical Seal Reliability in Centrifugal Pumps.” More information on Mackay and his expertise on pumps can be found at

183 Posts in 89 Topics by 7 members

Topic Posts Last Post
Multi-stage pumps versus rotary pumps 2 July 2008 2
Justifying minimum flow facilities 6 June 2008 2
What is the effect at the pump suction and discharge if the vacuum is raised? 21 February 2008 2
What is the optimal direction for the discharge nozzle to point on a centrifugal pump? 21 February 2008 2
Diaphragm pump guidelines 22 October 2007 2
Malfunctioning pump discharge valve 25 September 2007 2
Low-flow pump after repair 27 August 2007 2
Vertical pump installation 27 August 2007 2
Impeller balance holes 27 August 2007 2
Stable pump flow 23 August 2007 2