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ASME A112.4.14-2022/CSA B125.14:22
Manually or Automatically Operated Valves for Use in Plumbing Systems
This Standard specifies requirements for manually or automatically operated valves, in sizes NPS 4 and smaller. Valves covered by this Standard are intended for installation as water shutoff valves between the meter and the supply stop.
American Society of Mechanical Engineers [asme]