API 6D:2008 Specification for Pipeline Valves
ANSI/API SPECIFICATION 6D
TWENTY-THIRD EDITION, APRIL 2008
EFFECTIVE DATE: OCTOBER 1, 2008
CONTAINS API MONOGRAM ANNEX AS PART OF US NATIONAL ADOPTION
ISO 14313:2007 (Identical), Petroleum and natural gas industries—Pipeline transportation systems—Pipeline valves.
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This standard is under the jurisdiction of the API Standards Subcommittee on Valves and Wellhead Equipment (API SC6). This API standard is identical with the English version of ISO 14313:2007. ISO 14313 was prepared by Technical Committee ISO/TC 67 Materials, equipment and offshore structures for petroleum and natural gas industries, SC 2, Pipeline transportation systems.
For the purposes of this standard, the following editorial change has been made:
― A national informative annex (Annex F—API Monogram) has been included giving guidance to users.
This standard shall become effective on the date printed on the cover but may be used voluntarily from the date of distribution.
Scope
This International Standard specifies requirements and provides recommendations for the design, manufacturing, testing and documentation of ball valves, check valves, gate valves and plug valves for application in pipeline systems meeting the requirements of ISO 13623 for the petroleum and natural gas industries.