上(shang)海閥(fa)(fa)(fa)(fa)(fa)盛(sheng)閥(fa)(fa)(fa)(fa)(fa)門(men)制(zhi)造有限(xian)(xian)(xian)(xian)公司主(zhu)要生(sheng)產限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)，可提供限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)價格，限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)說明(ming)書，限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)實物圖，限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)結構圖，限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)外形(xing)尺(chi)寸，限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)執(zhi)行標準，限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)工作原理(li)，限(xian)(xian)(xian)(xian)流(liu)(liu)(liu)(liu)(liu)止(zhi)(zhi)回(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)作用特點。

限流(liu)止回閥功能和(he)作用(yong)：

一.限(xian)(xian)流(liu)(liu)(liu)功(gong)(gong)能(neng)該(gai)(gai)閥(fa)(fa)(fa)安(an)裝于(yu)水(shui)(shui)泵(beng)(beng)(beng)(beng)出口，在單泵(beng)(beng)(beng)(beng)啟動(dong)和(he)非全數設(she)計(ji)工(gong)(gong)(gong)(gong)作(zuo)(zuo)泵(beng)(beng)(beng)(beng)工(gong)(gong)(gong)(gong)作(zuo)(zuo)時(shi)(shi)(shi)，多(duo)工(gong)(gong)(gong)(gong)作(zuo)(zuo)泵(beng)(beng)(beng)(beng)起限(xian)(xian)制(zhi)(zhi)流(liu)(liu)(liu)量(liang)作(zuo)(zuo)用(yong)，使泵(beng)(beng)(beng)(beng)在較高效(xiao)率(lv)(lv)狀態(tai)下工(gong)(gong)(gong)(gong)作(zuo)(zuo)；防止(zhi)電動(dong)機(ji)愛水(shui)(shui)泵(beng)(beng)(beng)(beng)低揚(yang)(yang)程(cheng)(cheng)(cheng)、大流(liu)(liu)(liu)量(liang)、低效(xiao)率(lv)(lv)時(shi)(shi)(shi)，發(fa)生過載(zai)(zai)現象(xiang)；防止(zhi)超額定(ding)(ding)電流(liu)(liu)(liu)燒電機(ji)現象(xiang)的(de)發(fa)生，同(tong)時(shi)(shi)(shi)起到一定(ding)(ding)的(de)節能(neng)效(xiao)果。其(qi)限(xian)(xian)流(liu)(liu)(liu)原理為：依(yi)據水(shui)(shui)泵(beng)(beng)(beng)(beng)的(de)設(she)計(ji)工(gong)(gong)(gong)(gong)況(kuang)揚(yang)(yang)程(cheng)(cheng)(cheng)，導(dao)閥(fa)(fa)(fa)自動(dong)檢測并控(kong)(kong)制(zhi)(zhi)水(shui)(shui)泵(beng)(beng)(beng)(beng)的(de)實(shi)際工(gong)(gong)(gong)(gong)作(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)，以(yi)限(xian)(xian)制(zhi)(zhi)水(shui)(shui)泵(beng)(beng)(beng)(beng)的(de)工(gong)(gong)(gong)(gong)作(zuo)(zuo)流(liu)(liu)(liu)量(liang)，限(xian)(xian)制(zhi)(zhi)電機(ji)的(de)負(fu)載(zai)(zai)。該(gai)(gai)閥(fa)(fa)(fa)設(she)定(ding)(ding)一個控(kong)(kong)制(zhi)(zhi)工(gong)(gong)(gong)(gong)作(zuo)(zuo)氣(qi)揚(yang)(yang)程(cheng)(cheng)(cheng)，當水(shui)(shui)泵(beng)(beng)(beng)(beng)工(gong)(gong)(gong)(gong)作(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)低于(yu)控(kong)(kong)制(zhi)(zhi)揚(yang)(yang)程(cheng)(cheng)(cheng)時(shi)(shi)(shi)閥(fa)(fa)(fa)門(men)做關閥(fa)(fa)(fa)動(dong)作(zuo)(zuo)，使實(shi)際工(gong)(gong)(gong)(gong)作(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)加大；當水(shui)(shui)泵(beng)(beng)(beng)(beng)工(gong)(gong)(gong)(gong)作(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)大于(yu)設(she)定(ding)(ding)揚(yang)(yang)程(cheng)(cheng)(cheng)時(shi)(shi)(shi)閥(fa)(fa)(fa)門(men)全開，閥(fa)(fa)(fa)門(men)阻(zu)力極小。控(kong)(kong)制(zhi)(zhi)氣(qi)揚(yang)(yang)程(cheng)(cheng)(cheng)的(de)設(she)定(ding)(ding)可(ke)(ke)以(yi)按(an)電機(ji)額定(ding)(ding)電流(liu)(liu)(liu)設(she)定(ding)(ding)，也可(ke)(ke)以(yi)按(an)高效(xiao)率(lv)(lv)工(gong)(gong)(gong)(gong)況(kuang)設(she)定(ding)(ding)，該(gai)(gai)閥(fa)(fa)(fa)門(men)工(gong)(gong)(gong)(gong)作(zuo)(zuo)揚(yang)(yang)程(cheng)(cheng)(cheng)設(she)定(ding)(ding)值可(ke)(ke)調(diao)，一般出廠設(she)定(ding)(ding)值為設(she)計(ji)工(gong)(gong)(gong)(gong)況(kuang)揚(yang)(yang)程(cheng)(cheng)(cheng)。二(er).止(zhi)回功(gong)(gong)能(neng).該(gai)(gai)閥(fa)(fa)(fa)的(de)止(zhi)回功(gong)(gong)能(neng)完(wan)全等同(tong)于(yu)微(wei)阻(zu)緩(huan)閉止(zhi)回閥(fa)(fa)(fa)，且(qie)無關閉噪聲(sheng)，零回流(liu)(liu)(liu)。此閥(fa)(fa)(fa)主要用(yong)于(yu)多(duo)泵(beng)(beng)(beng)(beng)并聯(lian)使用(yong)時(shi)(shi)(shi)安(an)裝與(yu)水(shui)(shui)泵(beng)(beng)(beng)(beng)壓出口，起限(xian)(xian)制(zhi)(zhi)水(shui)(shui)泵(beng)(beng)(beng)(beng)工(gong)(gong)(gong)(gong)作(zuo)(zuo)流(liu)(liu)(liu)量(liang)，防止(zhi)停(ting)泵(beng)(beng)(beng)(beng)回流(liu)(liu)(liu)作(zuo)(zuo)用(yong)。該(gai)(gai)閥(fa)(fa)(fa)采用(yong)導(dao)閥(fa)(fa)(fa)-主閥(fa)(fa)(fa)構(gou)造，結構(gou)緊湊，重量(liang)較輕(qing)。

限流(liu)止回(hui)閥主要零件材質如下表：

二、限流止回閥主要外形尺寸：