截止閥的密封面，必須施以強制力關閉的閥門才能達到密封，在同樣口徑、工作壓力和一樣的驅動裝置下，截止閥的驅動轉矩為閘閥的2.5~3.5倍。這一點在進行電動閥門的轉矩控制機構調整時，應加以注意。
截止閥的密封面，只有在*關閉時才相互接觸，強制關閉的閥芯與密封面的相對滑移量很小，上海祥樹ELCISMS3057-10A
上海祥樹ELCISMS3057-10A
上海祥樹ELCISMS3057-10A
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