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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.
Pressure Vessel Inspection Code: In-service Inspection, Rating, Repair, and Alteration, Eleventh Edition, Includes Errata 1 (2023) and Errata 2 (2025)
Standard published on 1.10.2022
Selected format:Errata 1 to Pressure Vessel Inspection Code: In-service Inspection, Rating, Repair, and Alteration, Eleventh Edition
Adjunct of the standard published on 1.3.2023
Selected format:Errata 2 to Pressure Vessel Inspection Code: In-service Inspection, Rating, Repair, and Alteration, Eleventh Edition
Adjunct of the standard published on 1.6.2025
Selected format:Environmental Protection for Onshore Oil and Gas Production Operations and Leases, First Edition
Standard published on 1.7.2009
Selected format:Land Drilling Practices for Protection of the Environment
Standard published on 1.7.1995
Selected format:Sizing, Selection, and Installation of Pressure-relieving Devices Part I - Sizing and Selection, Tenth Edition, Includes Errata 1 (2023)
Standard published on 1.10.2020
Selected format:Errata 1 to Sizing, Selection, and Installation of Pressure-relieving Devices Part I - Sizing and Selection, Tenth Edition
Adjunct of the standard published on 1.5.2023
Selected format:Sizing, Selection, and Installation of Pressure-relieving Devices: Part II - Installation, Seventh Edition
Standard published on 1.10.2020
Selected format:Pressure-relieving and Depressuring Systems, Seventh Edition, Includes Errata 1 (2022)
Standard published on 31.5.2020
Selected format:Errata 1 to Pressure-relieving and Depressuring Systems, Seventh Edition
Adjunct of the standard published on 1.11.2022
Selected format:Latest update: 2025-12-24 (Number of items: 2 253 093)
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