The purpose of this standard is to provide the minimum requirements for resilient-seated gate valves for water supply service, including application, materials, design, testing, inspection, rejection, marking, and shipping.
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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 33–125°F (0.6–52°C).
Downloadable versions of current and historical standards are also available.