Thursday, May 04, 2006

A New Standard for Pumps

Centrifugal pumps are the workhorses of the chemical process industry and chemical engineers in the industry devote a big chunk of their time in specifying, operating and troubleshooting this vital piece of equipment. Pumps account for 20% of the total world electric energy demand. Also of the total pump cost, only 5% accounts for capital cost, 10% for maintenance and up to 85% for energy consumption. Energy consumption in pumping can be lowered through
•selecting higher efficiency pumps
•selecting a better sized pump
•improved installation and maintenance
•improved system design and improved system control

Centrifugal pumps used in petroleum and petrochemical industry are specified, built and tested as per API - 610, the de-facto industry standard. Though this standard is largely the domain of mechanical engineers, chemical engineers will profit from having an overview of the various provisions. The current 10th edition came into vogue in October 2004 and is equivalent to ISO 13709. An article explaining the various changes from the earlier widely used 8th edition is very instructive.

Web Resources

Pump Magazine - Online Source of Information on Pumps

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