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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.
Recommended Practice for Industrial Fired Boilers for General Refinery and Petrochemical Service
Standard published on 1.9.2015
Selected format:Occupational Safety and Health for Oil and Gas Well Drilling and Servicing Operations, Fourth Edition, Includes Addendum 1 (2021)
Standard published on 1.2.2019
Selected format:Addendum to Occupational Safety and Health for Oil and Gas Well Drilling and Servicing Operations, Fourth Edition
Adjunct of the standard published on 1.6.2021
Selected format:Form-wound Squirrel-Cage Induction Motors-500 Horsepower and Larger, Fifth Edition
Standard published on 1.12.2014
Selected format:Brushless Synchronous Machines - 500 kVA and Larger, Fourth Edition
Standard published on 1.5.2022
Selected format:General-purpose Form-wound Squirrel Cage Induction Motors-185 kW (250 hp) through 2240 kW (3000 hp), Second Edition
Standard published on 30.4.2017
Selected format:Manual on Installation of Refinery Instruments and Control Systems; Part II-Process Stream Analyzers; Section 5-Oxygen Analyzers
Standard published on 1.8.1983
Selected format:Process Measurement, Second Edition
Standard published on 1.2.2016
Selected format:Signal Processing, Transmission, and Installation, Second Edition
Standard published on 1.1.2025
Selected format:Refinery Valves and Accessories for Control and Safety Instrumented Systems, Third Edition
Standard published on 1.5.2026
Selected format:Latest update: 2026-10-25 (Number of items: 2 208 009)
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