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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.
Technical Report on Capabilities of API Flanges Under Combinations of Load
Standard published on 1.3.2017
Selected format:Technical Report on Temperature Derating on API Flanges under Combination of Loading
Standard published on 1.11.1998
Selected format:Technical Report on Capabilities of API Flanges Under Combinations of Loading - Phase II
Standard published on 1.11.2018
Selected format:High-pressure High-temperature (HPHT) Flange Design Methodology
Standard published on 1.8.2020
Selected format:Repair and Remanufacture of Wellhead and Tree Equipment
Standard published on 1.9.2019
Selected format:Specification for Validation of Wellhead Surface Safety Valves and Underwater Safety Valves for Offshore Service
Standard published on 1.2.2013
Selected format:Validation of Safety and Shutdown Valves for Sandy Service
Standard published on 1.7.2018
Selected format:Installation, Maintenance, and Repair of Safety Valves (SSV, USV, and BSDV)
Standard published on 1.8.2020
Selected format:Specification for Pipeline Valves
Standard published on 1.3.2015
Selected format:Russian Language - SPECIFICATION FOR PIPELINE VALVES *** ISO ADOPTION FROM ISO 14313 ***
Standard published on 1.8.2016
Selected format:Latest update: 2025-07-11 (Number of items: 2 208 012)
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