This standard describes reduced-wall, 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 having a temperature range of 33" to 125°F (0.6O
to 52
AWWA C515-2001 history
2020AWWA C515-2020 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service
2015AWWA C515-2015 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service
2009AWWA C515-2009 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service
2001AWWA C515-2001 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service Second Edition