Half Price Standard Code

Addendum to Drilling and Well Servicing Structures, Fourth Edition
Amendment by American Petroleum Institute, 05/01/2019

Errata to Fire Test for Soft-Seated Quarter-turn Valves, Fifth Edition
Amendment by American Petroleum Institute, 11/01/2008

SCADA Security, First Edition
standard by American Petroleum Institute, 09/01/2004

Tank Inspection, Repair, Alteration, and Reconstruction, Fourth Edition
Amendment by American Petroleum Institute, 08/01/2010

Packaged, Integrally Geared Centrifugal Air Compressors for Petroleum, Chemical, and Gas Industry Services, Includes Errata 1 and 2 (2007 and 2010)
standard by American Petroleum Institute, 03/01/2004

Addendum 2 to Specification for Pipelineand Piping Valves, Twenty-Fourth Edition
Amendment by American Petroleum Institute, 06/01/2016

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

Addendum to Specification for Subsea Pipeline Valves, Third Edition
Amendment by American Petroleum Institute, 04/01/2019

Refractory Installation Quality Control-Inspection and Testing Monolithic Refractory Linings and Materials, Fourth Edition
standard by American Petroleum Institute, 06/01/2014

Tank Inspection, Repair, Alteration, and Reconstruction, Fourth Edition
Amendment by American Petroleum Institute, 01/01/2012