Specification for Subsea Pipeline Valves, Third Edition, Includes Errata 1 (2018), Errata 2 (2018), and Amendment 1 (2019)
standard by American Petroleum Institute, 08/01/2017

Welding Pipe Lines and Related Facilities, 16th Edition
standard by American Petroleum Institute, 05/01/1983

Welding Pipe Lines and Related Facilities, 17th Edition
standard by American Petroleum Institute, 09/01/1988

Qualification of Nondestructive Examination Services for Equipment Used in the Petroleum and Natural Gas Industry, Second Edition
standard by American Petroleum Institute, 08/01/2019

Flare Details for Petroleum, Petrochemical, and Natural Gas Industries, Third Edition
standard by American Petroleum Institute, 03/01/2017

Check Valves: Flanged, Lug, Wafer, and Butt-welding, Eighth Edition
standard by American Petroleum Institute, 07/01/2017

Steel Gate Valves – Flanged and Butt-welding Ends, Bolted Bonnets, Twelfth Edition, Includes Errata (2009)
standard by American Petroleum Institute, 03/01/2009

Corrosion-resistant, Bolted Bonnet Gate Valves – Flanged and Butt-welding Ends, Ninth Edition
standard by American Petroleum Institute, 09/01/2018

Butterfly Valves: Double-flanged, Lug- and Wafer-type, Eighth Edition, Includes Errata (April 2017)
standard by American Petroleum Institute, 02/01/2016

Packaged, Integrally Geared Centrifugal Air Compressors for Petroleum, Chemical, and Gas Industry Services, Fifth Edition
standard by American Petroleum Institute, 08/01/2019