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蝶式雙(shuang)瓣消(xiao)聲止回(hui)閥(fa)主要(yao)用于(yu)凈(jing)水(shui)(shui)(shui)、源木、污水(shui)(shui)(shui)、海水(shui)(shui)(shui)等介質的(de)(de)供、排(pai)水(shui)(shui)(shui)管道(dao)上，安(an)裝在水(shui)(shui)(shui)泵(beng)出口(kou)處，用以截斷介質的(de)(de)回(hui)流，消(xiao)除(chu)破壞性(xing)(xing)的(de)(de)水(shui)(shui)(shui)錘，保護管道(dao)、水(shui)(shui)(shui)泵(beng)的(de)(de)安(an)全(quan)運行。其主要(yao)特點如(ru)下(xia)：1.體形小(xiao)、重量輕、結構(gou)長(chang)度只有旋啟(qi)式止回(hui)閥(fa)的(de)(de)三分(fen)之一(yi)左右(you)。2.緩閉(bi)系統性(xing)(xing)能優良，不受管道(dao)中介質的(de)(de)影響，閥(fa)瓣先速(su)關后緩閉(bi)，可防止破壞性(xing)(xing)水(shui)(shui)(shui)錘。3.橡膠軟密封，封閉(bi)性(xing)(xing)能好(hao)，耐(nai)磨(mo)損(sun)，使用壽(shou)命長(chang)。4.橡膠緩沖，啟(qi)閉(bi)平穩，無振動，無噪音。5.比老式止回(hui)閥(fa)六阻小(xiao)，有明顯(xian)的(de)(de)節能效果。

蝶式雙瓣消聲止回閥主(zhu)要零件材質如下：

三、蝶式雙瓣消聲止回閥(fa)主要(yao)外形尺寸：