The worm gear flange expansion butterfly valve is suitable for use in water supply and drainage, gas pipelines, and other applications in the food, pharmaceutical, chemical, petroleum, power, textile, paper-making, and other industries, where the temperature is ≤80℃ and the nominal pressure is ≤1.6MPa. It serves the functions of regulating flow and intercepting media, and has the ability to compensate for thermal expansion and contraction of pipelines.
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