AWWA C226-13 Stainless Steel Fittings for Waterworks Service, Sizes 1/2 In. Through 72 In 15 mm Through 1800 mm

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