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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.
Refinery Valves and Accessories for Control and Safety Instrumented Systems, Second Edition
Standard published on 1.10.2012
Selected format:Process Control Systems - Functions and Functional Specification Development, Third Edition
Standard published on 1.5.2021
Selected format:Process Control Systems - Process Control System Design, Second Edition
Standard published on 1.8.2023
Selected format:Process Control Systems - Project Execution and Process Control System Ownership, Second Edition
Standard published on 1.1.2021
Selected format:Process Analyzers, Third Edition
Standard published on 1.6.2013
Selected format:Instrumentation, Control, and Protective Systems for Gas Fired Heaters, Second Edition
Standard published on 1.4.2011
Selected format:Guide to Advanced Control Systems, Second Edition
Standard published on 1.10.2013
Selected format:Fired Heaters for General Refinery Service, Fifth Edition, Includes Addendum 1 (2021) and Addendum 2 (2023)
Standard published on 1.2.2016
Selected format:Addendum to Fired Heaters for General Refinery Service, Fifth Edition
Adjunct of the standard published on 1.5.2021
Selected format:Addendum to Fired Heaters for General Refinery Service, Fifth Edition
Adjunct of the standard published on 1.12.2023
Selected format:Latest update: 2025-12-22 (Number of items: 2 253 013)
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