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BS EN ISO 21049

2005 Edition, February 10, 2005

Complete Document

Pumps Shaft sealing systems for centrifugal and rotary pumps

Includes all amendments and changes through CRGD, July 31, 2006


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Product Details:

  • Revision: 2005 Edition, February 10, 2005
  • Published Date: July 31, 2006
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 208
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This International Standard specifies requirements and gives recommendations for sealing systems for centrifugal and rotary pumps used in the petroleum, natural gas and chemical industries. It is applicable mainly for hazardous, flammable and/or toxic services where a greater degree of reliability is required for the improvement of equipment availability and the reduction of both emissions to the atmosphere and life-cycle sealing costs. It covers seals for pump shaft diameters from 20 mm (0,75 in) to 110 mm (4,3 in).

This International Standard is also applicable to seal spare parts and can be referred to for the upgrading of existing equipment. A classification system for the seal configurations covered by this International Standard into categories, types, arrangements and orientations is provided.