上海(hai)閥盛(sheng)閥門制(zhi)造有限公(gong)司(si)主(zhu)要生產限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥，可提(ti)供限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥價格，限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥說明書，限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥實物圖，限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥結(jie)構圖，限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥外形尺寸，限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥執行標準，限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥工作(zuo)原理，限流(liu)(liu)(liu)止(zhi)(zhi)(zhi)回(hui)閥作(zuo)用特(te)點。

限(xian)流止回閥功能和作用：

一(yi).限流(liu)功能(neng)(neng)該(gai)閥(fa)安(an)裝(zhuang)于(yu)水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)出(chu)(chu)口，在(zai)(zai)單泵(beng)(beng)(beng)(beng)啟動(dong)和非全(quan)數設(she)(she)計(ji)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)泵(beng)(beng)(beng)(beng)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)時(shi)，多工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)泵(beng)(beng)(beng)(beng)起(qi)(qi)限制(zhi)流(liu)量(liang)作(zuo)(zuo)(zuo)(zuo)(zuo)用(yong)，使(shi)泵(beng)(beng)(beng)(beng)在(zai)(zai)較高效(xiao)率(lv)狀(zhuang)態(tai)下工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)；防止電(dian)(dian)動(dong)機(ji)愛水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)低(di)揚(yang)(yang)(yang)程(cheng)、大流(liu)量(liang)、低(di)效(xiao)率(lv)時(shi)，發生過載(zai)現象；防止超額定(ding)(ding)(ding)電(dian)(dian)流(liu)燒電(dian)(dian)機(ji)現象的(de)(de)(de)(de)發生，同時(shi)起(qi)(qi)到一(yi)定(ding)(ding)(ding)的(de)(de)(de)(de)節(jie)能(neng)(neng)效(xiao)果。其限流(liu)原理為：依據水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)設(she)(she)計(ji)工(gong)況(kuang)揚(yang)(yang)(yang)程(cheng)，導(dao)(dao)閥(fa)自(zi)動(dong)檢測并控制(zhi)水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)實際工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)(yang)(yang)程(cheng)，以(yi)限制(zhi)水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)的(de)(de)(de)(de)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)流(liu)量(liang)，限制(zhi)電(dian)(dian)機(ji)的(de)(de)(de)(de)負載(zai)。該(gai)閥(fa)設(she)(she)定(ding)(ding)(ding)一(yi)個控制(zhi)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)氣揚(yang)(yang)(yang)程(cheng)，當水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)(yang)(yang)程(cheng)低(di)于(yu)控制(zhi)揚(yang)(yang)(yang)程(cheng)時(shi)閥(fa)門(men)做(zuo)關閥(fa)動(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)，使(shi)實際工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)(yang)(yang)程(cheng)加大；當水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)(yang)(yang)程(cheng)大于(yu)設(she)(she)定(ding)(ding)(ding)揚(yang)(yang)(yang)程(cheng)時(shi)閥(fa)門(men)全(quan)開(kai)，閥(fa)門(men)阻力(li)極小(xiao)。控制(zhi)氣揚(yang)(yang)(yang)程(cheng)的(de)(de)(de)(de)設(she)(she)定(ding)(ding)(ding)可以(yi)按電(dian)(dian)機(ji)額定(ding)(ding)(ding)電(dian)(dian)流(liu)設(she)(she)定(ding)(ding)(ding)，也可以(yi)按高效(xiao)率(lv)工(gong)況(kuang)設(she)(she)定(ding)(ding)(ding)，該(gai)閥(fa)門(men)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)(yang)(yang)程(cheng)設(she)(she)定(ding)(ding)(ding)值(zhi)可調，一(yi)般出(chu)(chu)廠(chang)設(she)(she)定(ding)(ding)(ding)值(zhi)為設(she)(she)計(ji)工(gong)況(kuang)揚(yang)(yang)(yang)程(cheng)。二(er).止回功能(neng)(neng).該(gai)閥(fa)的(de)(de)(de)(de)止回功能(neng)(neng)完全(quan)等同于(yu)微阻緩閉止回閥(fa)，且無關閉噪(zao)聲，零(ling)回流(liu)。此閥(fa)主要用(yong)于(yu)多泵(beng)(beng)(beng)(beng)并聯使(shi)用(yong)時(shi)安(an)裝(zhuang)與水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)壓出(chu)(chu)口，起(qi)(qi)限制(zhi)水(shui)(shui)(shui)(shui)(shui)泵(beng)(beng)(beng)(beng)工(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)流(liu)量(liang)，防止停泵(beng)(beng)(beng)(beng)回流(liu)作(zuo)(zuo)(zuo)(zuo)(zuo)用(yong)。該(gai)閥(fa)采用(yong)導(dao)(dao)閥(fa)-主閥(fa)構造(zao)，結(jie)構緊湊(cou)，重量(liang)較輕。

限流止回閥主要零件材質如下表：

二、限流止回閥主要外形尺寸：