
API SPEC 6D 25th
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Specification for Valves, Twenty-Fifth Edition, Includes Errata 1 (2021), Errata 2 (2022), Errata 3 (2023), and Addendum 1 (2023)
STANDARD by American Petroleum Institute, 11/01/2021
API SPEC 6D 25th Edition,Specification for Valves, Twenty-Fifth Edition, Includes Errata 1 (2021), Errata 2 (2022), Errata 3 (2023), and Addendum 1 (2023) |
API SPEC 6D defines the requirements for the design, manufacturing, materials, welding, quality control,
assembly, testing, marking, documentation, and process controls of axial, ball, check, gate, and plug valves
for application in the petroleum and natural gas industries.
This specification applies to ASME Class 150, 300, 600, 900, 1500, and 2500.
NOTE
ASME Class 400 has been removed from this specification.
API 6DR for repair and remanufacture of valves has been withdrawn and has been replaced by Annex A.
Annexes A, B, D, E, F, J, and L are informative and contain optional requirements used in this specification.
Annexes C, G, H, I, and K are normative and are mandatory in the use of this specification.
Information marked “NOTE” are not requirements but are provided for guidance in understanding or clarifying
the associated requirement.
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