AWWA C226-13

The purpose of this standard is to provide the minimum requirements for stainless-steel fittings, including materials, manufacturing, testing, inspection and marking requirements.

This standard pertains to the various classes and types of stainless-steel fittings that are intended for the transmission and distribution of potable water, reclaimed water, and wastewater, and for use in other water-supply system facilities.

Classes. This standard covers three classes of stainless-steel fittings: wrought, cast and fabricated, in diameters ranging from ½ in. (13 mm) to 72 in. (1,800 mm).

Large fittings. Fittings larger than 72 in. (1,800 mm) in diameter may be manufactured in accordance with this standard.