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Publisher:Shenzhen Yulin industry Number of visits:1713 Date of issue:2020/05/21
本閥門的主要類型有:蝸輪蝸桿、電動、氣動、液動,其中氣動閥門和液動閥門適合于有壓力氣源和壓力液源的場合。雙向流閥門的最主要功能是既能在
正向壓力時密封良好,在反向壓力或反向壓力大于正向壓力時也能密封良好。當正向壓力作用時,介質壓力推動閥板向前移動,閥桿變形,閥板密封面緊
貼閥座密封面?zhèn)鬟f壓力,將閥座推向閥體臺階,使之密封良好。當反向壓力
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