AWWA C509:1901
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard for Resilient-Seated Gate Valves for Water Supply Service
Published date
01-01-1901
Publisher
Superseded date
01-12-2025
Superseded by
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The major revisions made to this standard in this edition include the following: the size range was increased to include the 24- and 30-inch sizes (Sec. 1.1.1); identification of copper alloys was added (Sec. 4.2.2.4.1); the acceptance clause (Sec. I.C) has been revised to approved wording; Section 1.2, Purpose, and Sec. 1.3, Application, were added; and, Table 3 was modified to include the UNS classification of bronzes in place of the letter grade of bronzes.
| DocumentType |
Standard
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| PublisherName |
American Water Works Association
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| Status |
Superseded
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| SupersededBy |
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