What is a common application for ball valves?

Ball valves are primarily designed for on/off control in a piping system. Their primary application is to shut off or open the water supply completely, ensuring a tight seal when closed. This functionality is crucial in plumbing where areas need to be isolated to prevent leaks, maintain system pressure, or perform repairs. The construction of a ball valve allows it to handle high pressure and provide a reliable seal, making it an excellent choice for both residential and commercial plumbing applications where an immediate cut-off is necessary.

While regulating water flow can be achieved through other types of valves like gate or globe valves, ball valves are not intended for precise flow regulation since they are meant for complete open or closed positions. Mixing water typically involves devices designed for blending different temperature levels, such as mixing valves, rather than ball valves. Draining systems might employ other types of valves more suited for that specific function. Thus, the main role of a ball valve remains as a shut-off valve, reinforcing its use in various plumbing systems to manage water supplies effectively.