This standard describes minimum requirements for rubber-seated butterfly valve assemblies 78 in. (2,000mm) diameter and larger, used in potable water service.
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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...
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:
Downloadable versions of current and historical standards are also available.
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