Valve repair involves fixing or replacing damaged or malfunctioning valves in various systems, such as plumbing, automotive, or industrial machinery. Valves control the flow of liquids or gases, and when they fail, it can lead to leaks, pressure issues, or system inefficiencies. Repairing a valve typically includes disassembling it, inspecting for wear or damage, and replacing any faulty components. The process may require specialized tools and knowledge of the specific type of valve, such as gate valves, ball valves, or check valves. Regular maintenance and timely repairs can extend the lifespan of valves and ensure optimal performance in systems like heating or water supply.