The Ontario Building Code | Brass or Bronze Pipe Flanges and Flanged Fittings

7.2.7.2. Brass or Bronze pipe Flanges and Flanged Fittings

(1) Brass or bronze pipe flanges and flanged fittings shall conform to ASME B16.24, "Cast copper Alloy pipe Flanges and Flanged Fittings: Classes 150, 300, 600, 900, 1500 and 2500".