Thermal Reactors for Sulfur Recovery Units in General Refinery Services
standard by American Petroleum Institute, 06/01/2022

Specification for Line Pipe, Eighth Edition
standard by American Petroleum Institute, 05/01/1942

Recommended Practice for the Design, Testing, and Operation of Subsea Multiphase Flow Meters, Second Edition
standard by American Petroleum Institute, 05/01/2022

Specification for Line Pipe, Nineteenth Edition
standard by American Petroleum Institute, 03/01/1962

Specification for Line Pipe, Twenty-third Edition
standard by American Petroleum Institute, 03/01/1968

Specification for Line Pipe, Fifth Edition
standard by American Petroleum Institute, 01/01/1934

Specification for Line Pipe, Eighteenth Edition
standard by American Petroleum Institute, 02/01/1960

Specification for Line Pipe, Twentieth Edition Includes Errata
standard by American Petroleum Institute, 03/01/1963

Specification for Valves, Twenty-Fifth Edition, Includes Errata 1 (2021) and Errata 2 (2022)
standard by American Petroleum Institute, 11/01/2021

Metallic Material Limits for API Equipment Used in High Temperature Applications, Third Edition
standard by American Petroleum Institute, 07/01/2022

Specification for Line Pipe, Thirty-ninth Edition
standard by American Petroleum Institute, 06/01/1991

Public Awareness Programs for Pipeline Operators, Third Edition
standard by American Petroleum Institute, 07/31/2022