Errata 2 for Packaged, Integrally Geared Centrifugal Air Compressors for Petroleum, Chemical, and Gas Industry Services
Amendment by American Petroleum Institute, 07/01/2010

Centrifugal Fans for Petroleum, Chemical and Gas Industry Services – Errata
standard by American Petroleum Institute, 10/31/2002

General Purpose Gear Units for Petroleum, Chemical and Gas Industry Services
standard by American Petroleum Institute, 07/01/1997

Shaft Sealing Systems for Centrifugal and Rotary Pumps
standard by American Petroleum Institute, 10/01/1994

Errata for Shaft Sealing Systems for Centrifugal and Rotary Pumps, Third Edition
Amendment by American Petroleum Institute, 11/01/2006

Quality Improvement Manual for Mechanical Equipment in Petroleum, Chemical, and Gas Industries
standard by American Petroleum Institute, 09/01/1993

Tutorial on the API Standard Paragraphs Covering Rotor Dynamics and Balance (An Introduction to Lateral Critical and Train Torsional Analysis and Rotor Balancing)
standard by American Petroleum Institute, 02/01/1996

Errata for Sealless Centrifugal Pumps for Petroleum, Heavy Duty Chemical, and Gas Industry Services
Amendment by American Petroleum Institute, 10/01/2007

Specification for Wellhead and Christmas Tree Equipment
Amendment by American Petroleum Institute, 08/01/2004