Butterfly valves because of their high flow coefficients and resilient seats are virtually self-cleaning and are less susceptible to failure due to trash material in the line.

• 由于蝶阀具有很高的六体系数和性能很好的弹性阀座，因此蝶阀具有自动清洗功能，降低了管道被拉鸡杂物堵塞的可能性。