National foreword

This British Standard is the official English language version of EN 13533:2001. It is identical with ISO 13533:2001

The UK participation in its preparation was entrusted by Technical Committee PSE/17, Materials and equipment for petroleum and natural gas industries, to Subcommittee PSE/17/-/4, Drilling and production equipment for petroleum and natural gas industries, which has the responsibility to:

  • aid enquirers to understand the text;
  • present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;
  • monitor related international and European developments and promulgate them in the UK.

A list of organizations represented on this subcommittee can be obtained on request to its secretary.


The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the "Search" facility of the BSI Electronic Catalogue or of British Standards Online.

This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.

Compliance with a British Standard does not of itself confer immunity from legal obligations.

This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 1 March 2002

© BSI 17 October 2002

Summary of pages

This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii to vi, pages 1 to 106, the Annex ZA page and a back cover.

The BSI copyright date displayed in this document indicates when the document was last issued.

Amendments issued since publication

Amd. No.


Corrigendum No.1

17 October 2002

Correction to EN ISO foreword page and addition of the Annex ZA page

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