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AWWA C515 - Reduced-Wall, Resilient-Seated Gate Valves for Water Supply Service
June 7, 2015 - AWWA

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 (0.6° to 52°C)....

AWWA C509 - Resilient-Seated Gate Valves for Water Supply Service
June 7, 2015 - AWWA

This standard describes iron-body 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 (0.6° to 52°C). Velocity....

DNVGL-SE-0499 - Certification of pipeline components
March 1, 2017 - DNVGL

The certification of pipeline components applies for pressure containing components. It covers the pertinent component isolated and does not include connecting pipeline sections, associated structures or supports if not part of the component itself. The certification shall account for maximum...

AWWA C520 - Knife Gate Valves, Sizes 2 In. (50 mm) Through 96 In. (2,400 mm)
June 8, 2014 - AWWA

This standard describes bonneted, bonnetless, cast, and fabricated steel; stainless-steel; and cast ductile-iron body knife gate valves with resilient or metal seats, including tapping knife gate valves, for use in water, wastewater, and reclaimed water systems...

AWWA C500 - Metal-Seated Gate Valves for Water Supply Service
January 25, 2009 - AWWA

This standard describes iron-body, brass-mounted, nonrising-stem (NRS) gate valves, including tapping gate valves, 3-in. (75-mm) NPS through 48-in. (1,200-mm) NPS, and outside screw and yoke (OS&Y) rising-stem gate valves, 3-in. (75-mm) NPS through...

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