2017ANSI/AWWA C224-2017 Nylon-11-Based Polyamide Coatings and Linings for Steel Water Pipe and Fittings
2011ANSI/AWWA C224-2011 Nylon-11-Based Polyamide Coating System for the Interior and Exterior of Steel Water Pipe, Connections, Fittings, and Special Sections
2006ANSI/AWWA C224-2006 Nylon-11-Based polyamide Coating System for the Interior and Exterior of Steel Water Pipe,Connections,Fittings,and Special Sections