上(shang)海閥(fa)(fa)(fa)盛閥(fa)(fa)(fa)門制造有限(xian)(xian)(xian)公司主要生產限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)，可提供限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)價(jia)格，限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)說明書，限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)實(shi)物圖(tu)，限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)結構圖(tu)，限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)外形(xing)尺寸，限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)執行標準，限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)工作(zuo)原(yuan)理，限(xian)(xian)(xian)流(liu)(liu)(liu)止(zhi)回閥(fa)(fa)(fa)作(zuo)用特點。

限流止回閥功能和(he)作(zuo)用：

一(yi)(yi).限(xian)(xian)流(liu)功(gong)能(neng)(neng)該(gai)閥(fa)(fa)(fa)安(an)裝于(yu)水泵(beng)(beng)出口(kou)，在(zai)單泵(beng)(beng)啟動和非全數設(she)(she)(she)(she)計工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)泵(beng)(beng)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)時(shi)(shi)，多(duo)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)泵(beng)(beng)起限(xian)(xian)制流(liu)量作(zuo)(zuo)(zuo)(zuo)(zuo)用(yong)，使泵(beng)(beng)在(zai)較高效(xiao)率(lv)狀態下工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)；防(fang)止(zhi)電(dian)動機(ji)愛水泵(beng)(beng)低(di)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)、大(da)(da)流(liu)量、低(di)效(xiao)率(lv)時(shi)(shi)，發生(sheng)過載現(xian)象；防(fang)止(zhi)超額定(ding)(ding)(ding)(ding)(ding)電(dian)流(liu)燒電(dian)機(ji)現(xian)象的(de)(de)發生(sheng)，同(tong)時(shi)(shi)起到一(yi)(yi)定(ding)(ding)(ding)(ding)(ding)的(de)(de)節能(neng)(neng)效(xiao)果。其限(xian)(xian)流(liu)原(yuan)理(li)為(wei)：依據水泵(beng)(beng)的(de)(de)設(she)(she)(she)(she)計工(gong)(gong)況(kuang)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)，導閥(fa)(fa)(fa)自動檢測(ce)并(bing)控(kong)(kong)(kong)制水泵(beng)(beng)的(de)(de)實際工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)，以限(xian)(xian)制水泵(beng)(beng)的(de)(de)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)流(liu)量，限(xian)(xian)制電(dian)機(ji)的(de)(de)負載。該(gai)閥(fa)(fa)(fa)設(she)(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)一(yi)(yi)個控(kong)(kong)(kong)制工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)氣揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)，當水泵(beng)(beng)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)低(di)于(yu)控(kong)(kong)(kong)制揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)時(shi)(shi)閥(fa)(fa)(fa)門(men)(men)做關閥(fa)(fa)(fa)動作(zuo)(zuo)(zuo)(zuo)(zuo)，使實際工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)加大(da)(da)；當水泵(beng)(beng)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)大(da)(da)于(yu)設(she)(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)時(shi)(shi)閥(fa)(fa)(fa)門(men)(men)全開，閥(fa)(fa)(fa)門(men)(men)阻力極小。控(kong)(kong)(kong)制氣揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)的(de)(de)設(she)(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)可以按電(dian)機(ji)額定(ding)(ding)(ding)(ding)(ding)電(dian)流(liu)設(she)(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)，也可以按高效(xiao)率(lv)工(gong)(gong)況(kuang)設(she)(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)，該(gai)閥(fa)(fa)(fa)門(men)(men)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)設(she)(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)值可調，一(yi)(yi)般(ban)出廠設(she)(she)(she)(she)定(ding)(ding)(ding)(ding)(ding)值為(wei)設(she)(she)(she)(she)計工(gong)(gong)況(kuang)揚(yang)程(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)。二.止(zhi)回(hui)功(gong)能(neng)(neng).該(gai)閥(fa)(fa)(fa)的(de)(de)止(zhi)回(hui)功(gong)能(neng)(neng)完(wan)全等(deng)同(tong)于(yu)微阻緩(huan)閉(bi)止(zhi)回(hui)閥(fa)(fa)(fa)，且無關閉(bi)噪聲，零回(hui)流(liu)。此閥(fa)(fa)(fa)主要用(yong)于(yu)多(duo)泵(beng)(beng)并(bing)聯(lian)使用(yong)時(shi)(shi)安(an)裝與(yu)水泵(beng)(beng)壓(ya)出口(kou)，起限(xian)(xian)制水泵(beng)(beng)工(gong)(gong)作(zuo)(zuo)(zuo)(zuo)(zuo)流(liu)量，防(fang)止(zhi)停泵(beng)(beng)回(hui)流(liu)作(zuo)(zuo)(zuo)(zuo)(zuo)用(yong)。該(gai)閥(fa)(fa)(fa)采用(yong)導閥(fa)(fa)(fa)-主閥(fa)(fa)(fa)構造，結(jie)構緊湊，重量較輕。

限(xian)流止回閥(fa)主要(yao)零件材質(zhi)如下表：

二、限流止回閥主要外形尺寸：