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黃銅卧式止回閥内部結構
黃銅卧式止回閥内部結構
更新时间:2024-12-22 13:42:28

  1、分為升降式旋啟式蝶式止回閥三種。

  2、啟閉件靠介質流動和力量自行開啟或關閉,以防止介質倒流的閥門叫止回閥。止回閥屬于自動閥類,主要用于介質單向流動的管道上,隻允許介質向一個方向流動,以防止發生事故。

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