AWWA C515-09 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service
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AWWA C515-09 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service

AWWA C515-09 Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service

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Publisher: AWWA
Publication date: 2009
AWWA catalog no: STC_0070922
Media Type: PDF, Print
Number of pages: 40
DOI: https://doi.org/10.12999/AWWA.C515.09
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 33º to 125ºF (0.6º to 52ºC). These valves are intended for applications where fluid velocity does not exceed 16 ft/sec (4.9 m/sec) when the valve is in the fully open position. Major revisions made to the standard in this edition include the following: revised to cover 42-in. NPS and 48-in. NPS sizes; revised to include integral and nonintegral thrust collar stem designs; revised to include reduced flange thickness for flanged-end valves; revised to include socket head and metric fasteners; added additional copper alloys to Table 5; and, revised to include the use of stainless-steel components (Sec. 4.2.3.5).
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Item Details:
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 33º to 125ºF (0.6º to 52ºC). These valves are...
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