ASME A112.4.14-2022/CSA B125.14:22 PDF
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.
Note: Manually or automatically operated valves covered by this Standard are also known as supply line stops.
This Standard does not apply to hose end valves or endpoint devices defined in Section 9 of NSF/ANSI 61.