Description
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 (1724 kPa [gauge]), a maximum steady-state differential pressure of 250 psi (1724 kPa), and a maximum full open fluid velocity of 16 ft/sec (4.9 m/sec) based on nominal valve size. Major revisions made to the standard in this edition include the following: AWWA Pressure Class 250B was added; additional advisory information on installation was added to the Foreword; body shell thickness requirements were revised; use with reclaimed water was added; and alternate purchaser specified test requirements were added.
Product Details
- Published:
- 07/01/2015
- ISBN(s):
- 9781613003428
- ANSI:
- ANSI Approved
- Number of Pages:
- 44
- File Size:
- 1 file , 1 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
