上海閥(fa)盛閥(fa)門制造有限(xian)(xian)(xian)公(gong)司主(zhu)要生產限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)，可提供限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)價格，限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)說明書，限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)實物圖，限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)結構(gou)圖，限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)外形尺(chi)寸，限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)執行(xing)標(biao)準，限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)工作(zuo)原理，限(xian)(xian)(xian)流(liu)(liu)(liu)止回(hui)(hui)(hui)(hui)(hui)(hui)閥(fa)作(zuo)用特點。

限流止回閥功能和作用：

一(yi)(yi).限流(liu)功(gong)能(neng)該(gai)閥(fa)(fa)(fa)安(an)(an)裝(zhuang)于(yu)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)出(chu)口(kou)，在(zai)單(dan)泵(beng)(beng)(beng)(beng)(beng)(beng)啟動和非全(quan)數設(she)(she)計工(gong)(gong)作(zuo)泵(beng)(beng)(beng)(beng)(beng)(beng)工(gong)(gong)作(zuo)時，多工(gong)(gong)作(zuo)泵(beng)(beng)(beng)(beng)(beng)(beng)起(qi)限制流(liu)量作(zuo)用(yong)(yong)，使泵(beng)(beng)(beng)(beng)(beng)(beng)在(zai)較高(gao)效率狀態(tai)下(xia)工(gong)(gong)作(zuo)；防(fang)止(zhi)電動機愛水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)低揚(yang)(yang)(yang)程、大流(liu)量、低效率時，發(fa)生過(guo)載現象；防(fang)止(zhi)超額定(ding)電流(liu)燒電機現象的(de)發(fa)生，同(tong)時起(qi)到一(yi)(yi)定(ding)的(de)節能(neng)效果。其(qi)限流(liu)原(yuan)理為(wei)：依據水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)設(she)(she)計工(gong)(gong)況揚(yang)(yang)(yang)程，導閥(fa)(fa)(fa)自動檢測(ce)并控制水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)實際(ji)工(gong)(gong)作(zuo)揚(yang)(yang)(yang)程，以(yi)(yi)(yi)限制水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)工(gong)(gong)作(zuo)流(liu)量，限制電機的(de)負載。該(gai)閥(fa)(fa)(fa)設(she)(she)定(ding)一(yi)(yi)個(ge)控制工(gong)(gong)作(zuo)氣揚(yang)(yang)(yang)程，當(dang)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)工(gong)(gong)作(zuo)揚(yang)(yang)(yang)程低于(yu)控制揚(yang)(yang)(yang)程時閥(fa)(fa)(fa)門(men)做關(guan)閥(fa)(fa)(fa)動作(zuo)，使實際(ji)工(gong)(gong)作(zuo)揚(yang)(yang)(yang)程加大；當(dang)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)工(gong)(gong)作(zuo)揚(yang)(yang)(yang)程大于(yu)設(she)(she)定(ding)揚(yang)(yang)(yang)程時閥(fa)(fa)(fa)門(men)全(quan)開，閥(fa)(fa)(fa)門(men)阻(zu)力極小。控制氣揚(yang)(yang)(yang)程的(de)設(she)(she)定(ding)可(ke)(ke)以(yi)(yi)(yi)按電機額定(ding)電流(liu)設(she)(she)定(ding)，也(ye)可(ke)(ke)以(yi)(yi)(yi)按高(gao)效率工(gong)(gong)況設(she)(she)定(ding)，該(gai)閥(fa)(fa)(fa)門(men)工(gong)(gong)作(zuo)揚(yang)(yang)(yang)程設(she)(she)定(ding)值(zhi)可(ke)(ke)調，一(yi)(yi)般出(chu)廠設(she)(she)定(ding)值(zhi)為(wei)設(she)(she)計工(gong)(gong)況揚(yang)(yang)(yang)程。二(er).止(zhi)回(hui)功(gong)能(neng).該(gai)閥(fa)(fa)(fa)的(de)止(zhi)回(hui)功(gong)能(neng)完全(quan)等同(tong)于(yu)微阻(zu)緩閉(bi)止(zhi)回(hui)閥(fa)(fa)(fa)，且無關(guan)閉(bi)噪聲(sheng)，零回(hui)流(liu)。此閥(fa)(fa)(fa)主(zhu)要(yao)用(yong)(yong)于(yu)多泵(beng)(beng)(beng)(beng)(beng)(beng)并聯(lian)使用(yong)(yong)時安(an)(an)裝(zhuang)與水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)壓出(chu)口(kou)，起(qi)限制水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)工(gong)(gong)作(zuo)流(liu)量，防(fang)止(zhi)停泵(beng)(beng)(beng)(beng)(beng)(beng)回(hui)流(liu)作(zuo)用(yong)(yong)。該(gai)閥(fa)(fa)(fa)采(cai)用(yong)(yong)導閥(fa)(fa)(fa)-主(zhu)閥(fa)(fa)(fa)構造(zao)，結構緊(jin)湊(cou)，重量較輕(qing)。

限(xian)流(liu)止回閥主要零(ling)件材質如(ru)下(xia)表：

二、限流止回閥主要外形尺寸：