上海閥(fa)(fa)(fa)(fa)盛閥(fa)(fa)(fa)(fa)門制造有限(xian)公司主要生產限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)，可提(ti)供(gong)限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)價(jia)格，限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)說明書，限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)實物圖(tu)，限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)結構圖(tu)，限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)外形尺寸，限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)執行標準，限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)工作(zuo)原理(li)，限(xian)流(liu)(liu)止(zhi)回(hui)(hui)閥(fa)(fa)(fa)(fa)作(zuo)用特點。

限流止(zhi)回閥功(gong)能和作用：

一(yi).限(xian)流(liu)(liu)(liu)(liu)功(gong)能該(gai)(gai)(gai)閥(fa)安(an)裝于(yu)(yu)水(shui)泵(beng)(beng)(beng)出口，在單泵(beng)(beng)(beng)啟動和非全(quan)數設(she)(she)(she)計(ji)(ji)工(gong)(gong)(gong)作泵(beng)(beng)(beng)工(gong)(gong)(gong)作時，多工(gong)(gong)(gong)作泵(beng)(beng)(beng)起(qi)(qi)限(xian)制(zhi)流(liu)(liu)(liu)(liu)量作用，使泵(beng)(beng)(beng)在較(jiao)高效(xiao)率狀態下工(gong)(gong)(gong)作；防(fang)止電(dian)動機(ji)(ji)愛(ai)水(shui)泵(beng)(beng)(beng)低(di)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)、大(da)流(liu)(liu)(liu)(liu)量、低(di)效(xiao)率時，發生過載現象；防(fang)止超額定電(dian)流(liu)(liu)(liu)(liu)燒電(dian)機(ji)(ji)現象的(de)(de)發生，同時起(qi)(qi)到(dao)一(yi)定的(de)(de)節能效(xiao)果。其限(xian)流(liu)(liu)(liu)(liu)原理為(wei)：依據水(shui)泵(beng)(beng)(beng)的(de)(de)設(she)(she)(she)計(ji)(ji)工(gong)(gong)(gong)況(kuang)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)，導閥(fa)自動檢(jian)測并控(kong)(kong)制(zhi)水(shui)泵(beng)(beng)(beng)的(de)(de)實際(ji)工(gong)(gong)(gong)作揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)，以(yi)限(xian)制(zhi)水(shui)泵(beng)(beng)(beng)的(de)(de)工(gong)(gong)(gong)作流(liu)(liu)(liu)(liu)量，限(xian)制(zhi)電(dian)機(ji)(ji)的(de)(de)負(fu)載。該(gai)(gai)(gai)閥(fa)設(she)(she)(she)定一(yi)個控(kong)(kong)制(zhi)工(gong)(gong)(gong)作氣揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)，當水(shui)泵(beng)(beng)(beng)工(gong)(gong)(gong)作揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)低(di)于(yu)(yu)控(kong)(kong)制(zhi)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)時閥(fa)門(men)做關閥(fa)動作，使實際(ji)工(gong)(gong)(gong)作揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)加大(da)；當水(shui)泵(beng)(beng)(beng)工(gong)(gong)(gong)作揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)大(da)于(yu)(yu)設(she)(she)(she)定揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)時閥(fa)門(men)全(quan)開，閥(fa)門(men)阻力極小。控(kong)(kong)制(zhi)氣揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)設(she)(she)(she)定可以(yi)按(an)電(dian)機(ji)(ji)額定電(dian)流(liu)(liu)(liu)(liu)設(she)(she)(she)定，也(ye)可以(yi)按(an)高效(xiao)率工(gong)(gong)(gong)況(kuang)設(she)(she)(she)定，該(gai)(gai)(gai)閥(fa)門(men)工(gong)(gong)(gong)作揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)設(she)(she)(she)定值(zhi)可調，一(yi)般出廠設(she)(she)(she)定值(zhi)為(wei)設(she)(she)(she)計(ji)(ji)工(gong)(gong)(gong)況(kuang)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)。二.止回功(gong)能.該(gai)(gai)(gai)閥(fa)的(de)(de)止回功(gong)能完全(quan)等同于(yu)(yu)微阻緩(huan)閉(bi)止回閥(fa)，且無關閉(bi)噪聲(sheng)，零回流(liu)(liu)(liu)(liu)。此閥(fa)主要(yao)用于(yu)(yu)多泵(beng)(beng)(beng)并聯使用時安(an)裝與水(shui)泵(beng)(beng)(beng)壓出口，起(qi)(qi)限(xian)制(zhi)水(shui)泵(beng)(beng)(beng)工(gong)(gong)(gong)作流(liu)(liu)(liu)(liu)量，防(fang)止停泵(beng)(beng)(beng)回流(liu)(liu)(liu)(liu)作用。該(gai)(gai)(gai)閥(fa)采(cai)用導閥(fa)-主閥(fa)構造，結構緊湊，重量較(jiao)輕。

限流止回閥主要零件材質(zhi)如下表：

二、限流止回閥主要外形尺寸：