Ball valves are essential devices in controlling the flow of gas and liquids, offering benefits such as confirming testing standards, identifying suitable applications, and assuring quality. Key organizations like UL, CSA, FM, UPC/cUPC, ANSI, and IAPMO play vital roles in testing and certifying The article also highlights the importance of standard values such as WOG/CWP and WSP for understanding a ball valve’s pressure ratings and suitability for specific applications, including gas. Finally, it advises sourcing ball valves from reputable manufacturers to avoid complications and ensure compatibility with plumbing systems.