C504-15 Rubber-Seated Butterfly Valves

This standard covers rubber-seated butterfly valves, 3 in. (75 mm) through 72 in. (1,800 mm) in diameter, with various body and end types, for fresh and reclaimed water having a pH range from 6 to 12 and a temperature range from 33 to 125F (0.6 to 52C).