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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.
Product Life Cycle Management System Requirements for the Petroleum and Natural Gas Industries, First Edition
Standard published on 1.4.2017
Selected format:Guidance on Changes to API Q1 (Ninth Edition), First Edition
Standard published on 1.6.2015
Selected format:Evaluation of Welding Requirements as Applicable to API Product Specifications, First Edition
Standard published on 1.12.2017
Selected format:Evaporative Loss from Fixed-Roof Tanks, Fifth Edition
Standard published on 1.6.2017
Selected format:Evaporative Loss from Floating-roof Tanks, Fourth Edition
Standard published on 1.8.2020
Selected format:Specification for Establishing Evaporative Loss Factors for Floating-roof Tank Devices
Standard published on 1.4.2022
Selected format:Wind Tunnel Test Method for the Measurement of Deck-Fitting Loss Factors for External Floating-Roof Tanks
Standard published on 1.6.1997
Selected format:Air Concentration Test Method - Rim Seal Loss Factors for Internal Floating Roof Tanks
Standard published on 1.8.1997
Selected format:Weight Loss Test Method for the Measurement of Rim-Seal Loss Factors for Internal Floating-Roof Tanks
Standard published on 1.7.1998
Selected format:Fugitive Emissions Test Method of Deck-Seam Loss Factors for Internal Floating-Roof Tanks
Standard published on 1.6.2001
Selected format:Latest update: 2026-10-23 (Number of items: 2 207 789)
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