Standard for Actuators and Mounting Kits for Valves, Second Edition
standard by American Petroleum Institute, 02/01/2020

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

Orifice Metering of Natural Gas and Other Related Hydrocarbon Fluids – Concentric, Square-edged Orifice Meters – Part 1: General Equations and Uncertainty Guidelines, Fourth Edition, Includes Errata, July 2013
Handbook / Manual / Guide by American Petroleum Institute, 09/01/2012

Free-Product Recovery of Petroleum Hydrocarbon Liquids
standard by American Petroleum Institute, 06/01/1999

Vessel Experience Factor (VEF), Third Edition, Includes Datasheets
standard by American Petroleum Institute, 07/01/2019

Safe Access/Egress Involving Floating Roofs of Storage Tanks in Petroleum Service, Fourth Edition
standard by American Petroleum Institute, 07/01/2022

Corrosion Under Insulation and Fireproofing, Second Edition
standard by American Petroleum Institute, 03/01/2021

Safety and Environmental Management System for Offshore Operations and Assets, Fourth Edition
standard by American Petroleum Institute, 12/01/2019

Check Valves: Wafer, Wafer-Lug, and Double Flanged Type
standard by American Petroleum Institute, 11/01/1997

Metal Ball Valves – Flanged, Threaded, and Welding Ends, Sixth Edition
standard by American Petroleum Institute, 01/01/2020