AWWA C509:1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Standard for Resilient-Seated Gate Valves for Water Supply Service
01-01-1994
02-12-2025
1.1.1 Sizes. Gate valves covered by this standard are 3 in. (75 mm), 4 in. (100 mm), 6 in. (150 mm), 8 in. (200 mm), 10 in. (250 mm), 12 in. (300 mm), 16 in. (400 mm), and 20 in. (500 mm) nominal pipe size (NPS).
| DocumentType |
Standard
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| PublisherName |
American Water Works Association
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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