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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
Standard published on 1.10.2012
Selected format:Refinery Valves and Accessories for Control and Safety Instrumented Systems
Standard published on 1.10.2012
Selected format:Process Control Systems Part 1—Process Control Systems Functions and Functional Specification Development
Standard published on 1.7.2007
Selected format:Process Control Systems— Functions and Functional Specification Development
Standard published on 1.5.2021
Selected format:Process Control Systems— Process Control System Design
Standard published on 1.10.2008
Selected format:Process Control Systems-Process Control System Design
Standard published on 1.8.2023
Selected format:Process Control Systems—Project Execution and Process Control System Ownership
Standard published on 1.1.2021
Selected format:Process Analyzers
Standard published on 1.6.2020
Selected format:PROCESS ANALYZERS
Standard published on 1.6.2013
Selected format:Instrumentation, Control, and Protective Systems for Gas Fired Heaters
Standard published on 1.4.2019
Selected format:Latest update: 2025-08-17 (Number of items: 2 211 709)
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