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Standards API - American Petroleum Institute - Page 121
API (American Petroleum Institute) is a leader in the development of petroleum and petrochemical equipment and operating standards covering topics that range from drill bits to environmental protection. These embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. Many have been incorporated into state and federal regulations and adopted by ISO for worldwide acceptance.
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API SPEC 6AV1
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Validation of Safety and Shutdown Valves for Sandy Service, Fourth Edition
Standard published on 1.6.2025
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API STD 6AV2
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Installation, Maintenance, and Repair of Safety Valves (SSV, USV, and BSDV), Second Edition
Standard published on 1.8.2020
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API SPEC 6D
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Specification for Valves, Twenty-Fifth Edition, Includes Errata 1 (2021), Errata 2 (2022), Errata 3 (2023), Addendum 1 (2023), Addendum 2 (2024), and Addendum 3 (2025)
Standard published on 1.11.2021
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API SPEC 6D/Add1
Adjunct of the standard
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Addendum 1 to Specification for Valves, Twenty-Fifth Edition
Adjunct of the standard published on 1.4.2023
Selected format: English - electronic (protected pdf) (1.20 USD)
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API SPEC 6D/Add2
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Addendum 2 to Specification for Valves, Twenty-Fifth Edition
Adjunct of the standard published on 1.9.2024
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API SPEC 6D/Add3
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Addendum 3 to Specification for Valves, Twenty-Fifth Edition
Adjunct of the standard published on 5.3.2025
Selected format: English - electronic (protected pdf) (1.20 USD)
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API SPEC 6D/Err
Adjunct of the standard
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Errata to Specification for Pipelineand Piping Valves, Twenty-Fourth Edition
Adjunct of the standard published on 1.10.2014
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API SPEC 6D/Err1
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Errata to Specification for Valves, Twenty-Fifth Edition
Adjunct of the standard published on 1.12.2021
Selected format: English - electronic (protected pdf) (1.20 USD)
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API SPEC 6D/Err2
Adjunct of the standard
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Errata to Specification for Valves, Twenty-Fifth Edition
Adjunct of the standard published on 1.4.2022
Selected format: English - electronic (protected pdf) (1.20 USD)
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API SPEC 6D/Err3
Adjunct of the standard
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Errata to Specification for Valves, Twenty-Fifth Edition
Adjunct of the standard published on 1.10.2023
Selected format: English - electronic (protected pdf) (1.20 USD)
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