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Erosive Wear of Sharp-Edged Orifice Plates

[+] Author Affiliations
L. I. Ezekoye

Westinghouse Electric Company, Pittsburgh, PA

Paper No. PVP2007-26284, pp. 243-248; 6 pages
  • ASME 2007 Pressure Vessels and Piping Conference
  • Volume 7: Operations, Applications and Components
  • San Antonio, Texas, USA, July 22–26, 2007
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4285-1 | eISBN: 0-7918-3804-8
  • Copyright © 2007 by ASME


Sharp-edged orifice plates are extensively used in flow measurement and flow trimming. In many plant applications where they are used, orifices are installed in systems which are generally clean and debris free. However, there are applications where the system may be either debris laden or exposed, in accident conditions, to debris that could challenge the effectiveness of orifices. This paper presents the results of an accelerated erosive wear test of aluminum and steel orifice plates to determine firstly, how sharp-edged orifices wear in such medium, and secondly, how the wear affects flow measurements.

Copyright © 2007 by ASME



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