This standard describes resilient-seated gate valves with nonrising stems (NRS) and outside screw-and-yoke (OS&Y) rising stems, including tapping gate valves for water supply service. The resilient-seated gate valve has been in service in various water utility applications since 1975.
- ISBN13 9781625761361
- Publish Date 30 January 2015
- Publish Status Active
- Publish Country US
- Imprint American Water Works Association,US
- Format Paperback
- Pages 36
- Language English