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The Influence on the Stuffing Box of the Forces Generated by Packing Thermal Expansion

[+] Author Affiliations
José C. Veiga, André S. Carmo, Carlos D. Girão, Carlos Cipolatti

Teadit Industria e Comercio Ltda., Rio de Janeiro, RJ, Brazil

Paper No. PVP2011-57751, pp. 227-233; 7 pages
  • ASME 2011 Pressure Vessels and Piping Conference
  • Volume 2: Computer Technology and Bolted Joints
  • Baltimore, Maryland, USA, July 17–21, 2011
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-4452-6
  • Copyright © 2011 by ASME


This paper introduces a test device and a protocol that simulates a stuffing box to evaluate the packing expansion under different temperatures. This test device enables the measurement of axial forces at the bottom of the stuffing box and at the gland follower, the torque generated upon shaft turning and the influence of the thermal expansion on these measurements. It also enables comparisons between different braiding yarns materials such as e-PTFE, e-PTFE with fillers, Flexible Graphite and others. Test results showing these comparisons and correlations are reported.

Copyright © 2011 by ASME



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