When customers ask us, “What is the life expectancy of a ball valve?”, they are usually trying to answer a practical question: How long will this valve keep working reliably before leakage, stiffness, or replacement becomes a real issue? The honest answer is that there is no single fixed number for every application. A Ball Valve in a clean, low-pressure water line that is opened only occasionally may last much longer than a valve in a hot, high-pressure system that cycles constantly. That is why service life is never determined by material alone or price alone. It is the result of valve design, seat and seal quality, operating conditions, cycling frequency, installation quality, and maintenance habits.
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