All Published Standards

Piping Line Class Designator System (New Practice that is a Complete Revision and includes renumbering of PNSM0001)
standard by Process Industry Practices, 06/01/2007

Piping Line Class Designator System [Technical Revision]
standard by Process Industry Practices, 12/01/2015

Piping Material Specification Designator System [Complete Revision]
standard by Process Industry Practices, 01/01/2022

Piping Material Specifications Line Class Index [Technical Revision]
standard by Process Industry Practices, 05/01/2013

Valve Commodity Codes Designator System [Complete Revision and Renumbering of PNSMV002]
standard by Process Industry Practices, 05/01/2009

Valve Commodity Codes Designator System [Reaffirmation with Editorial Revision]
standard by Process Industry Practices, 02/01/2015

Piping Material Specification Selection, Development, and Application Guidelines [Complete Revision]
standard by Process Industry Practices, 06/01/2019

Piping Material Specification Selection, Development, and Application Guidelines [New Practice]
standard by Process Industry Practices, 10/01/2013

Process Unit and Offsites Layout Guide [Complete Revision]
standard by Process Industry Practices, 06/01/2013

Steam Trap Guidelines
standard by Process Industry Practices, 10/01/2009

Steam Trap Guidelines
standard by Process Industry Practices, 07/01/2016

Piping Examination and Leak Testing Guide [Complete Revision]
standard by Process Industry Practices, 11/01/2011