AWWA C550-17

This standard describes protective interior coatings for valves used for water supply, wastewater collection and treatment, and reclaimed water service having a pH range from 4 to 9; and for hydrants used for water supply service. The standard describes the material, application, and performance requirements for these interior coatings.

The purpose of this standard is to provide the minimum requirements for protective interior coatings for valves and hydrants, including materials, coating process, testing, and repair.

This standard can be referenced in specifications for purchasing and receiving protective interior coatings for valves and hydrants. This standard can be used as a guide for materials, application, and performance requirements for these interior coatings. The stipulations of this standard apply when this document has been referenced and only to protective interior coatings for valves and hydrants. Downloadable versions of this standard and historical standards are also available.