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BS 4508-4

77th Edition, June 30, 1977

Complete Document

Specification for Thermally Insulated Underground Piping Systems - Part 4: Specific Testing and Inspection Requirements for Cased Systems Without Air Gap

Includes all amendments and changes through Reaffirmation Notice , May 1, 2017

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Product Details:

  • Revision: 77th Edition, June 30, 1977
  • Published Date: May 1, 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 16
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Testing, inspection and certification of pipe-in-pipe distribution systems with an insulated service or product pipe enclosed in a pressure-tight casing.