AWWA C516-14 Large-Diameter Rubber-Seated Butterfly Valves, Sizes 78 In. (2,000 mm) and Larger

This standard establishes minimum requirements for rubber-seated butterfly valve assemblies, 78 in. (2,000 mm) diameter and larger with flanged ends for fresh and reclaimed water having a pH range from 6–12 and a temperature range from 33°–125°F (0.6°–52°C) and suitable for a maximum steady-state fluid working pressure of 250 psig (1,724 kPa [gauge]), a maximum steady-state differential pressure of 250 psi (1,724 kPa), and a maximum full open fluid velocity of 16 ft/sec (4.9 m/sec) based on nominal valve size.

Major revisions to this edition include the following:

1. AWWA Pressure Class 250B was added.
2. Advisory information on installation was added.
3. Body shell thickness requirements were revised.
4. Use with reclaimed water was added.
5. Alternate purchaser specified test requirements were added.

Downloadable versions of current and historical standards are also available.