Errata 1 to Low Pressure Fiberglass Line Pipe and Fittings
Amendment by American Petroleum Institute, 06/20/2018

Welded Tanks for Oil Storage, 5th Edition
standard by American Petroleum Institute, 07/01/1973

Performance of Full-bore Vortex Meters for Measurement of Liquid Flows, First Edition
standard by American Petroleum Institute, 07/01/2018

Datasheets for General Purpose Gear Units for Petroleum, Chemical and Gas Industry Services
Data Sheet by American Petroleum Institute,

Type Testing of Process Valve Packing for Fugitive Emissions, First Edition
standard by American Petroleum Institute, 08/01/2006

Materials, Fabrication, and Repair Considerations for Hydrogen Reformer Furnace Outlet Pigtails and Manifolds
standard by American Petroleum Institute, 06/01/2014

Butterfly Valves: Double Flanged, Lug- and Wafer-Type
standard by American Petroleum Institute, 05/01/2004

Datasheets for API Standard 547, General-Purpose Form_Wound Squirrel Cage Induction Motors – 250 Horsepower and Larger
Data Sheet by American Petroleum Institute,

Measurement of Proppants Used in Hydraulic Fracturing and Gravel-packing Operations, Second Edition
standard by American Petroleum Institute, 08/01/2018

Errata 6 (Includes Errata 1, 2, 3, 4, and 5) to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007)
Amendment by American Petroleum Institute, 08/01/2011

Addendum 1 to Specification for Pipelineand Piping Valves, Twenty-Fourth Edition
Amendment by American Petroleum Institute, 03/01/2015

Errata to Specification for Wellhead and Tree Equipment, Twenty-First Edition
Amendment by American Petroleum Institute, 04/01/2019