進口止回閥 美國進口止回閥 德國進口止回閥
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◆進口止回閥相關產品(pin):進(jin)(jin)口(kou)對(dui)夾(jia)式止(zhi)(zhi)(zhi)回閥、進(jin)(jin)口(kou)對(dui)雙瓣止(zhi)(zhi)(zhi)回閥、進(jin)(jin)口(kou)對(dui)夾(jia)式超薄型止(zhi)(zhi)(zhi)回閥、進(jin)(jin)口(kou)法蘭式止(zhi)(zhi)(zhi)回閥、進(jin)(jin)口(kou)內螺(luo)紋(wen)止(zhi)(zhi)(zhi)回閥、進(jin)(jin)口(kou)Y型(xing)止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)高溫高壓止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)消聲止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)靜音止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)橡膠(jiao)瓣止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)球形(xing)止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)天燃氣止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)保溫止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)襯(chen)膠(jiao)止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)、進(jin)口(kou)(kou)(kou)襯(chen)氟止(zhi)(zhi)(zhi)(zhi)回(hui)閥(fa)。
◆進口止回閥概(gai)述(shu): 止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)又稱單向(xiang)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)或(huo)逆止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，其(qi)作用(yong)(yong)是防(fang)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)管(guan)(guan)路(lu)中的(de)(de)(de)(de)介質(zhi)倒流(liu)(liu)。啟(qi)閉(bi)件靠介質(zhi)流(liu)(liu)動(dong)和(he)力量(liang)自(zi)行開(kai)啟(qi)或(huo)關(guan)閉(bi)，以(yi)防(fang)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)介質(zhi)倒流(liu)(liu)的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門叫止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)屬(shu)于(yu)(yu)自(zi)動(dong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)類(lei)，主要用(yong)(yong)于(yu)(yu)介質(zhi)單向(xiang)流(liu)(liu)動(dong)的(de)(de)(de)(de)管(guan)(guan)道上，只允許介質(zhi)向(xiang)一(yi)(yi)個方向(xiang)流(liu)(liu)動(dong)，以(yi)防(fang)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)發(fa)生事故(gu)。止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)按結構(gou)劃分，可分為(wei)升(sheng)降式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)、旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)蝶(die)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)三種。升(sheng)降式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)可分為(wei)立式(shi)(shi)(shi)(shi)(shi)(shi)(shi)和(he)臥式(shi)(shi)(shi)(shi)(shi)(shi)(shi)兩種。旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)分為(wei)單瓣(ban)(ban)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)、雙(shuang)瓣(ban)(ban)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)和(he)多(duo)瓣(ban)(ban)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)三種。蝶(die)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)為(wei)直(zhi)通式(shi)(shi)(shi)(shi)(shi)(shi)(shi)。升(sheng)降式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)結構(gou)一(yi)(yi)般(ban)與截止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)相似，其(qi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)沿著通道中心(xin)線(xian)作升(sheng)降運動(dong)，動(dong)作可靠，但流(liu)(liu)體阻(zu)(zu)力較大(da)，適(shi)(shi)用(yong)(yong)于(yu)(yu)小(xiao)口(kou)徑(jing)的(de)(de)(de)(de)場(chang)(chang)合。旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)繞轉軸作旋(xuan)(xuan)(xuan)轉運動(dong)。其(qi)流(liu)(liu)體阻(zu)(zu)力一(yi)(yi)般(ban)小(xiao)于(yu)(yu)升(sheng)降式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)，它適(shi)(shi)用(yong)(yong)于(yu)(yu)較大(da)口(kou)徑(jing)的(de)(de)(de)(de)場(chang)(chang)合。旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)根據(ju)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣(ban)(ban)的(de)(de)(de)(de)數目(mu)可分為(wei)單瓣(ban)(ban)旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)、雙(shuang)瓣(ban)(ban)旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)及(ji)多(duo)瓣(ban)(ban)旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)三種。單瓣(ban)(ban)旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)一(yi)(yi)般(ban)適(shi)(shi)用(yong)(yong)于(yu)(yu)中等口(kou)徑(jing)的(de)(de)(de)(de)場(chang)(chang)合。大(da)口(kou)徑(jing)管(guan)(guan)路(lu)選用(yong)(yong)單瓣(ban)(ban)旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)時(shi)，為(wei)減少水錘壓力，最好采用(yong)(yong)能減小(xiao)水錘壓力的(de)(de)(de)(de)緩(huan)閉(bi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。雙(shuang)瓣(ban)(ban)旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)適(shi)(shi)用(yong)(yong)于(yu)(yu)大(da)中口(kou)徑(jing)管(guan)(guan)路(lu)。對夾雙(shuang)瓣(ban)(ban)旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)結構(gou)小(xiao)、重量(liang)輕，是一(yi)(yi)種發(fa)展較快的(de)(de)(de)(de)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)；多(duo)瓣(ban)(ban)旋(xuan)(xuan)(xuan)啟(qi)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)適(shi)(shi)用(yong)(yong)于(yu)(yu)大(da)口(kou)徑(jing)管(guan)(guan)路(lu)。蝶(die)式(shi)(shi)(shi)(shi)(shi)(shi)(shi)止(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)回(hui)(hui)(hui)(hui)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)結構(gou)類(lei)似于(yu)(yu)蝶(die)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。其(qi)結構(gou)簡單、流(liu)(liu)阻(zu)(zu)較小(xiao)，水錘壓力亦較小(xiao)。
◆進口(kou)止回(hui)閥可選的品牌:德國威(wei)樂(le)[WELA]、美國泰克[TYKE]。
