五通止回閥 1.2寸 變頻泵五通單向閥 304材質具有(you)止回(hui)閥(fa)(fa)功能(neng)、接(jie)壓力(li)罐接(jie)口，壓力(li)表接(jie)口，壓力(li)傳(chuan)感器接(jie)口使用(yong)(yong)(yong)方(fang)(fang)便，此閥(fa)(fa)可采(cai)用(yong)(yong)(yong)銅與不(bu)銹鋼(gang)兩材質，銅閥(fa)(fa)外(wai)部采(cai)用(yong)(yong)(yong)鍍(du)鉻外(wai)觀(guan)看(kan)(kan)起來很有(you)質感，外(wai)觀(guan)看(kan)(kan)上去和不(bu)銹鋼(gang)一(yi)樣，不(bu)銹鋼(gang)采(cai)用(yong)(yong)(yong)304不(bu)銹鋼(gang)材質，內(nei)部密封(feng)采(cai)用(yong)(yong)(yong)高檔(dang)塑材王，使用(yong)(yong)(yong)壽命更長！這種類型的(de)閥(fa)(fa)門的(de)作用(yong)(yong)(yong)是只允許(xu)介(jie)質向(xiang)(xiang)一(yi)個方(fang)(fang)向(xiang)(xiang)流動，而且阻止方(fang)(fang)向(xiang)(xiang)流動。通常這種閥(fa)(fa)門是自動工作的(de)，在一(yi)個方(fang)(fang)向(xiang)(xiang)流動的(de)流體(ti)壓力(li)作用(yong)(yong)(yong)下(xia)，閥(fa)(fa)瓣(ban)打開；流體(ti)反方(fang)(fang)向(xiang)(xiang)流動時(shi)，由流體(ti)壓力(li)和閥(fa)(fa)瓣(ban)的(de)自重(zhong)合(he)閥(fa)(fa)瓣(ban)作用(yong)(yong)(yong)于(yu)閥(fa)(fa)座(zuo)，從而切斷流動。

五通止回閥 1.2寸 變頻泵五通單向閥 304材質(One-way valve)：止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)又稱單(dan)(dan)向(xiang)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)或(huo)逆(ni)止(zhi)(zhi)(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，其作(zuo)用是防(fang)止(zhi)(zhi)(zhi)(zhi)管(guan)路(lu)中的(de)介(jie)(jie)質(zhi)倒流。水泵(beng)吸(xi)水管(guan)的(de)底閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)也屬(shu)于止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)類。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)按(an)結(jie)(jie)構劃(hua)分(fen)(fen)(fen)(fen)，可(ke)(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)(wei)(wei)升(sheng)降式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)、旋啟(qi)(qi)(qi)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)(he)蝶(die)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)三(san)種(zhong)(zhong)(zhong)(zhong)。升(sheng)降式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)可(ke)(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)(wei)(wei)立式(shi)(shi)(shi)和(he)(he)臥式(shi)(shi)(shi)兩(liang)種(zhong)(zhong)(zhong)(zhong)。旋啟(qi)(qi)(qi)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)分(fen)(fen)(fen)(fen)為(wei)(wei)(wei)(wei)單(dan)(dan)瓣(ban)式(shi)(shi)(shi)、雙瓣(ban)式(shi)(shi)(shi)和(he)(he)多(duo)(duo)瓣(ban)式(shi)(shi)(shi)三(san)種(zhong)(zhong)(zhong)(zhong)。蝶(die)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)為(wei)(wei)(wei)(wei)直(zhi)通式(shi)(shi)(shi)、以上(shang)幾種(zhong)(zhong)(zhong)(zhong)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)在連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)形(xing)式(shi)(shi)(shi)上(shang)可(ke)(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)(wei)(wei)螺紋(wen)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)、法蘭連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)和(he)(he)焊(han)(han)接(jie)(jie)(jie)(jie)三(san)種(zhong)(zhong)(zhong)(zhong)。 　　啟(qi)(qi)(qi)閉(bi)(bi)件靠介(jie)(jie)質(zhi)流動和(he)(he)力(li)量自(zi)行開啟(qi)(qi)(qi)或(huo)關閉(bi)(bi)，以防(fang)止(zhi)(zhi)(zhi)(zhi)介(jie)(jie)質(zhi)倒流的(de)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門叫止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)屬(shu)于自(zi)動閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)類，主要(yao)用于介(jie)(jie)質(zhi)單(dan)(dan)向(xiang)流動的(de)管(guan)道上(shang)，只允(yun)許(xu)介(jie)(jie)質(zhi)向(xiang)一個方(fang)向(xiang)流動，以防(fang)止(zhi)(zhi)(zhi)(zhi)發生事故。編輯(ji)本段(duan)結(jie)(jie)構　　止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(Check Valve)：按(an)結(jie)(jie)構劃(hua)分(fen)(fen)(fen)(fen)，可(ke)(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)(wei)(wei)升(sheng)降式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)、和(he)(he)蝶(die)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)三(san)種(zhong)(zhong)(zhong)(zhong)。升(sheng)降式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)可(ke)(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)(wei)(wei)立式(shi)(shi)(shi)和(he)(he)直(zhi)通式(shi)(shi)(shi)兩(liang)種(zhong)(zhong)(zhong)(zhong)。旋啟(qi)(qi)(qi)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)分(fen)(fen)(fen)(fen)為(wei)(wei)(wei)(wei)單(dan)(dan)瓣(ban)式(shi)(shi)(shi)、雙瓣(ban)式(shi)(shi)(shi)和(he)(he)多(duo)(duo)瓣(ban)式(shi)(shi)(shi)三(san)種(zhong)(zhong)(zhong)(zhong)。蝶(die)式(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)為(wei)(wei)(wei)(wei)碟式(shi)(shi)(shi)雙瓣(ban)、碟式(shi)(shi)(shi)單(dan)(dan)瓣(ban)、以上(shang)幾種(zhong)(zhong)(zhong)(zhong)止(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)在連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)形(xing)式(shi)(shi)(shi)上(shang)可(ke)(ke)分(fen)(fen)(fen)(fen)為(wei)(wei)(wei)(wei)螺紋(wen)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)、法蘭連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)、焊(han)(han)接(jie)(jie)(jie)(jie)和(he)(he)對夾式(shi)(shi)(shi)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)四種(zhong)(zhong)(zhong)(zhong)