Shell and Tube Heat Exchangers for General Refinery Services
standard by American Petroleum Institute, 06/01/1993

API Spec Q1, Ninth Edition (Includes Errata (February 2014), Errata 2 (March 2014), Addendum 1 (June 2016) and 2 (June 2018)) and Spec Q2, First Edition (Includes Addendum 1 (June 2016)) Set
standard by American Petroleum Institute, 06/01/2013

Excavation Monitoring and Observation, Second Edition
standard by American Petroleum Institute, 10/01/2015

Proving Systems: Master-Meter Provers, Third Edition, Includes Errata 1 (2014)
Handbook / Manual / Guide by American Petroleum Institute, 11/01/2011

Specification for Line Pipe, Twenty-fifth Edition Includes Errata
standard by American Petroleum Institute, 04/01/1970

Checklist for Plant Completion – WITHDRAWN
standard by American Petroleum Institute, 09/01/1981

Check Valves: Flanged, Lug, Wafer and Butt-welding, 6th Edition
standard by American Petroleum Institute, 09/01/2004

Fireproofing Practices in Petroleum & Petrochemical Processing Plants, Second Edition
standard by American Petroleum Institute, 08/01/1999

Specification for Polyethylene Line Pipe (PE), Fifth Edition
standard by American Petroleum Institute, 09/01/2022

Type Testing of Process Valve Packing for Fugitive Emissions, Third Edition, Includes Addendum 1 (2022)
standard by American Petroleum Institute, 10/01/2018