AWWA C222-25 Polyurethane Coatings and Linings for Steel Water Pipe and Fittings
The purpose of this standard is to provide the minimum requirements for polyurethane coating and lining systems for steel water pipe and fittings including materials, surface preparation, testing, handling, and packaging requirements.
Description
This standard sets minimum requirements for shop-applied and field-applied polyurethane coatings and linings used in the water supply industry. Polyurethanes are used for steel water pipe, special sections, welded joints, connections, and fittings for steel water pipelines installed underground or underwater operating under normal conditions. It can be referenced in specifications for the interior and exterior of steel water pipe. The stipulations of this standard apply when this document has been referenced and then only to polyurethane systems for the interior and exterior of steel water pipe.