上海(hai)閥(fa)(fa)(fa)盛閥(fa)(fa)(fa)門制(zhi)造有限公(gong)司主要生(sheng)產限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)，可提供(gong)限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)價格，限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)說明書，限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)實物圖，限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)結構圖，限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)外形(xing)尺寸，限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)執行(xing)標(biao)準，限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)工作原(yuan)理，限流(liu)(liu)(liu)止(zhi)(zhi)回(hui)閥(fa)(fa)(fa)作用特(te)點。

限流止回(hui)閥(fa)功能和作(zuo)用(yong)：

一(yi)(yi).限(xian)(xian)流(liu)(liu)(liu)(liu)(liu)(liu)功能該(gai)閥(fa)(fa)(fa)(fa)(fa)(fa)安裝于(yu)(yu)水(shui)(shui)(shui)泵(beng)出口(kou)，在單泵(beng)啟動和非(fei)全數設(she)(she)(she)計工(gong)(gong)作(zuo)(zuo)(zuo)泵(beng)工(gong)(gong)作(zuo)(zuo)(zuo)時(shi)(shi)，多工(gong)(gong)作(zuo)(zuo)(zuo)泵(beng)起(qi)限(xian)(xian)制流(liu)(liu)(liu)(liu)(liu)(liu)量(liang)作(zuo)(zuo)(zuo)用(yong)(yong)，使泵(beng)在較高效(xiao)(xiao)率(lv)狀態下工(gong)(gong)作(zuo)(zuo)(zuo)；防止電(dian)動機(ji)(ji)愛水(shui)(shui)(shui)泵(beng)低揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)、大流(liu)(liu)(liu)(liu)(liu)(liu)量(liang)、低效(xiao)(xiao)率(lv)時(shi)(shi)，發生(sheng)過載(zai)現象(xiang)(xiang)；防止超(chao)額定(ding)(ding)(ding)(ding)(ding)電(dian)流(liu)(liu)(liu)(liu)(liu)(liu)燒電(dian)機(ji)(ji)現象(xiang)(xiang)的(de)發生(sheng)，同時(shi)(shi)起(qi)到一(yi)(yi)定(ding)(ding)(ding)(ding)(ding)的(de)節能效(xiao)(xiao)果。其限(xian)(xian)流(liu)(liu)(liu)(liu)(liu)(liu)原(yuan)理為(wei)：依據水(shui)(shui)(shui)泵(beng)的(de)設(she)(she)(she)計工(gong)(gong)況(kuang)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)，導閥(fa)(fa)(fa)(fa)(fa)(fa)自(zi)動檢測并控制水(shui)(shui)(shui)泵(beng)的(de)實(shi)際工(gong)(gong)作(zuo)(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)，以限(xian)(xian)制水(shui)(shui)(shui)泵(beng)的(de)工(gong)(gong)作(zuo)(zuo)(zuo)流(liu)(liu)(liu)(liu)(liu)(liu)量(liang)，限(xian)(xian)制電(dian)機(ji)(ji)的(de)負載(zai)。該(gai)閥(fa)(fa)(fa)(fa)(fa)(fa)設(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)一(yi)(yi)個控制工(gong)(gong)作(zuo)(zuo)(zuo)氣(qi)(qi)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)，當(dang)水(shui)(shui)(shui)泵(beng)工(gong)(gong)作(zuo)(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)低于(yu)(yu)控制揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)時(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)做關(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)動作(zuo)(zuo)(zuo)，使實(shi)際工(gong)(gong)作(zuo)(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)加大；當(dang)水(shui)(shui)(shui)泵(beng)工(gong)(gong)作(zuo)(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)大于(yu)(yu)設(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)時(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)全開，閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)阻力極(ji)小。控制氣(qi)(qi)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)的(de)設(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)可以按電(dian)機(ji)(ji)額定(ding)(ding)(ding)(ding)(ding)電(dian)流(liu)(liu)(liu)(liu)(liu)(liu)設(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)，也可以按高效(xiao)(xiao)率(lv)工(gong)(gong)況(kuang)設(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)，該(gai)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)工(gong)(gong)作(zuo)(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)設(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)值(zhi)可調，一(yi)(yi)般出廠設(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)值(zhi)為(wei)設(she)(she)(she)計工(gong)(gong)況(kuang)揚(yang)(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)。二.止回功能.該(gai)閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)止回功能完(wan)全等同于(yu)(yu)微阻緩閉止回閥(fa)(fa)(fa)(fa)(fa)(fa)，且無關(guan)閉噪聲，零回流(liu)(liu)(liu)(liu)(liu)(liu)。此(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)主要用(yong)(yong)于(yu)(yu)多泵(beng)并聯使用(yong)(yong)時(shi)(shi)安裝與水(shui)(shui)(shui)泵(beng)壓出口(kou)，起(qi)限(xian)(xian)制水(shui)(shui)(shui)泵(beng)工(gong)(gong)作(zuo)(zuo)(zuo)流(liu)(liu)(liu)(liu)(liu)(liu)量(liang)，防止停泵(beng)回流(liu)(liu)(liu)(liu)(liu)(liu)作(zuo)(zuo)(zuo)用(yong)(yong)。該(gai)閥(fa)(fa)(fa)(fa)(fa)(fa)采用(yong)(yong)導閥(fa)(fa)(fa)(fa)(fa)(fa)-主閥(fa)(fa)(fa)(fa)(fa)(fa)構造，結構緊湊，重量(liang)較輕(qing)。

限流(liu)止回(hui)閥主要零件(jian)材質如下表：

二、限流止回閥主要外形尺寸：