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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.
Flanged Steel Pressure Relief Valves
Standard published on 1.9.2017
Selected format:Flanged Steel Pressure-relief Valves
Standard published on 1.8.2023
Selected format:Seat Tightness of Pressure Relief Valves
Standard published on 1.11.2014
Selected format:Seat Tightness of Pressure Relief Valves
Standard published on 1.7.2020
Selected format:Characterization of Exploration and Production Associated Waste
Standard published on 1.11.1996
Selected format:Well Control Equipment Systems for Drilling Wells
Standard published on 1.5.2023
Selected format:BLOWOUT PREVENTION EQUIPMENT SYSTEMS FOR DRILLING WELLS
Standard published on 1.11.2012
Selected format:Calculation of Heater-tube Thickness in Petroleum Refineries
Standard published on 1.12.2021
Selected format:Heat Recovery Steam Generators
Standard published on 1.3.2023
Selected format:Burners for Fired Heaters in General Refinery Servies
Standard published on 1.1.2006
Selected format:Latest update: 2025-08-17 (Number of items: 2 211 709)
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