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Encyclopedia of Tribology pp 411–416Cite as

Compression Packing to Form Seals for Rotating Shafts

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Synonyms

Compression; Packing; Shaft packing

Definition

Compression packing is a ring of deformable material, used as a set of rings, mechanically loaded to form a seal to limit leakage along a rotating shaft. Sealing takes place in a cylindrical plane parallel to the shaft.

Introduction

Shaft sealing represents a unique branch of the science of tribology. The liquid being sealed becomes the lubricant for the seal. In the case of compression packing, sealing is achieved in a cylindrical plane parallel to the shaft. The length of the sealing plane is determined by the number of packing rings used. Compression packing must be mechanically loaded in the axial direction that is opposed to the pressure within the equipment. Compression of the packing forces the packing to the shaft and bore of the equipment creating the seal. As the shaft rotates, frictional heat will be generated. This heat must be removed by a small amount of leakage between the packing and shaft. This leakage will cool...

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References

  • J.C. Ciffone, Packing (John Crane Mechanical Maintenance Training Center, Morton Grove, 1994)

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  • Goulds Pumps Inc., Goulds Pump Manual, 6th edn. (Seneca Falls, New York, 1995), pp. 616–617

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  • John Crane Inc., Super 10 Packing Selection Guide (Morton Grove, 1993)

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  • J.P. Netzel, Centrifugal Pump Packing, Chapter 2.2.2, in Pump Handbook, ed. by I.J. Karassik, J.P. Messina, P. Cooper, C.C. Heald, 3rd edn. (McGraw-Hill, New York, 2001), pp. 2.183–2.196

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  • Society of Tribologists and Lubrication Engineers, Guidelines for Controlling Fugitives Emissions with Valve Stem Sealing Systems, STLE Special Publication SP-33 (Park Ridge, 1992)

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Author information

Authors and Affiliations

  1. 7715 Madeline Drive, 60560, Yorkville, IL, USA

    James P. Netzel (Consultant)

Authors
  1. James P. Netzel
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Corresponding author

Correspondence to James P. Netzel .

Editor information

Editors and Affiliations

  1. Department of Mechanical Engineering and Center for Surface Engineering and Tribology, Northwestern University, Evanston, IL, USA

    Q. Jane Wang

  2. Department of Materials Science and Engineering and Center for Surface Engineering and Tribology, Northwestern University, Evanston, IL, USA

    Yip-Wah Chung

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© 2013 Springer Science+Business Media New York

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Netzel, J.P. (2013). Compression Packing to Form Seals for Rotating Shafts. In: Wang, Q.J., Chung, YW. (eds) Encyclopedia of Tribology. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-92897-5_137

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