Specification 6D:2021 Specification for valves
Publication Year
2021
Document Status
Current
Abstract
Specifies requirements for the manufacture of two product specification levels of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.
Document History
25th edition, November 2021. Includes Errata 1 (2021), Errata 2 (2022), Errata 3 (2023), Addendum 1 (2023) and Addendum 2 (2024).
Publisher Information
American Petroleum Institute
The API is a US trade association representing all aspects of the oil and natural gas industry, from large integrated companies to exploration and production, refining, marketing, pipeline and marine businesses, and service and supply firms.
200 Massachusetts Avenue NW
Suite 1100
Washington, DC
API
USA
Website: www.api.org
Tel: +1 202 682-8000
