上海閥(fa)盛閥(fa)門制造有(you)限公司主要(yao)生產限流止回(hui)(hui)(hui)閥(fa)，可提供限流止回(hui)(hui)(hui)閥(fa)價格，限流止回(hui)(hui)(hui)閥(fa)說明書，限流止回(hui)(hui)(hui)閥(fa)實(shi)物圖，限流止回(hui)(hui)(hui)閥(fa)結構圖，限流止回(hui)(hui)(hui)閥(fa)外形尺寸，限流止回(hui)(hui)(hui)閥(fa)執行標(biao)準，限流止回(hui)(hui)(hui)閥(fa)工(gong)作原理，限流止回(hui)(hui)(hui)閥(fa)作用特點(dian)。

限流(liu)止(zhi)回閥功能和(he)作用：

一(yi).限(xian)流(liu)(liu)功(gong)(gong)能(neng)該閥(fa)(fa)(fa)(fa)安裝于水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)出(chu)口，在單泵(beng)(beng)(beng)(beng)(beng)(beng)啟動和非全(quan)數(shu)設(she)(she)計工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)泵(beng)(beng)(beng)(beng)(beng)(beng)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)時(shi)(shi)(shi)，多(duo)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)泵(beng)(beng)(beng)(beng)(beng)(beng)起限(xian)制(zhi)(zhi)流(liu)(liu)量(liang)作(zuo)(zuo)(zuo)用(yong)(yong)，使(shi)泵(beng)(beng)(beng)(beng)(beng)(beng)在較高效(xiao)(xiao)率狀(zhuang)態下工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)；防止(zhi)電動機(ji)愛水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)低揚程(cheng)(cheng)、大(da)流(liu)(liu)量(liang)、低效(xiao)(xiao)率時(shi)(shi)(shi)，發生(sheng)過載現(xian)象；防止(zhi)超額(e)定(ding)(ding)(ding)電流(liu)(liu)燒電機(ji)現(xian)象的(de)發生(sheng)，同時(shi)(shi)(shi)起到一(yi)定(ding)(ding)(ding)的(de)節能(neng)效(xiao)(xiao)果。其限(xian)流(liu)(liu)原理(li)為：依據(ju)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)設(she)(she)計工(gong)(gong)(gong)(gong)況揚程(cheng)(cheng)，導閥(fa)(fa)(fa)(fa)自動檢測并控(kong)(kong)(kong)制(zhi)(zhi)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)實際工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)揚程(cheng)(cheng)，以限(xian)制(zhi)(zhi)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)的(de)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)流(liu)(liu)量(liang)，限(xian)制(zhi)(zhi)電機(ji)的(de)負(fu)載。該閥(fa)(fa)(fa)(fa)設(she)(she)定(ding)(ding)(ding)一(yi)個控(kong)(kong)(kong)制(zhi)(zhi)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)氣揚程(cheng)(cheng)，當(dang)(dang)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)揚程(cheng)(cheng)低于控(kong)(kong)(kong)制(zhi)(zhi)揚程(cheng)(cheng)時(shi)(shi)(shi)閥(fa)(fa)(fa)(fa)門(men)做關(guan)(guan)閥(fa)(fa)(fa)(fa)動作(zuo)(zuo)(zuo)，使(shi)實際工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)揚程(cheng)(cheng)加大(da)；當(dang)(dang)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)揚程(cheng)(cheng)大(da)于設(she)(she)定(ding)(ding)(ding)揚程(cheng)(cheng)時(shi)(shi)(shi)閥(fa)(fa)(fa)(fa)門(men)全(quan)開，閥(fa)(fa)(fa)(fa)門(men)阻力極小。控(kong)(kong)(kong)制(zhi)(zhi)氣揚程(cheng)(cheng)的(de)設(she)(she)定(ding)(ding)(ding)可以按電機(ji)額(e)定(ding)(ding)(ding)電流(liu)(liu)設(she)(she)定(ding)(ding)(ding)，也(ye)可以按高效(xiao)(xiao)率工(gong)(gong)(gong)(gong)況設(she)(she)定(ding)(ding)(ding)，該閥(fa)(fa)(fa)(fa)門(men)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)揚程(cheng)(cheng)設(she)(she)定(ding)(ding)(ding)值(zhi)可調，一(yi)般出(chu)廠設(she)(she)定(ding)(ding)(ding)值(zhi)為設(she)(she)計工(gong)(gong)(gong)(gong)況揚程(cheng)(cheng)。二.止(zhi)回(hui)功(gong)(gong)能(neng).該閥(fa)(fa)(fa)(fa)的(de)止(zhi)回(hui)功(gong)(gong)能(neng)完(wan)全(quan)等同于微阻緩閉止(zhi)回(hui)閥(fa)(fa)(fa)(fa)，且無關(guan)(guan)閉噪聲，零回(hui)流(liu)(liu)。此(ci)閥(fa)(fa)(fa)(fa)主要用(yong)(yong)于多(duo)泵(beng)(beng)(beng)(beng)(beng)(beng)并聯使(shi)用(yong)(yong)時(shi)(shi)(shi)安裝與水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)壓出(chu)口，起限(xian)制(zhi)(zhi)水(shui)泵(beng)(beng)(beng)(beng)(beng)(beng)工(gong)(gong)(gong)(gong)作(zuo)(zuo)(zuo)流(liu)(liu)量(liang)，防止(zhi)停(ting)泵(beng)(beng)(beng)(beng)(beng)(beng)回(hui)流(liu)(liu)作(zuo)(zuo)(zuo)用(yong)(yong)。該閥(fa)(fa)(fa)(fa)采用(yong)(yong)導閥(fa)(fa)(fa)(fa)-主閥(fa)(fa)(fa)(fa)構造(zao)，結構緊湊，重量(liang)較輕。

限流(liu)止回閥(fa)主要零件材質如(ru)下表：

二、限流止回閥主要外形尺寸：