AWWA C116-03 / A21.16-03

This standard describes protective fusion-bonded epoxy coatings for the interior and exterior surfaces of ductile-iron and gray-iron fittings used for water supply service. The standard describes the material, applicaiton, and performance requirements for these coatings.

This standard does not describe coatings agreed on between the purchaser and the manufacturer for special service conditions, such as saltwater, sewers, wastewater, acid, high temperature, and so forth.