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美國派克六(liu)通(tong)(tong)換向(xiang)閥(fa)(fa)主要(yao)由(you)閥(fa)(fa)體、密封組件、凸輪、閥(fa)(fa)桿、手(shou)柄和閥(fa)(fa)蓋等零部(bu)件組成。閥(fa)(fa)門(men)由(you)手(shou)柄驅動(dong),通(tong)(tong)過(guo)手(shou)柄帶動(dong)閥(fa)(fa)桿與(yu)凸輪旋轉,凸輪具有定位(wei)驅動(dong)與(yu)鎖定密封組件的(de)開啟與(yu)關(guan)閉(bi)功能。手(shou)柄逆時針(zhen)旋轉,兩組密封組件分別在凸輪的(de)作用下關(guan)閉(bi)下端的(de)兩個(ge)通(tong)(tong)道(dao),上(shang)端的(de)兩個(ge)通(tong)(tong)道(dao)分別與(yu)管道(dao)裝(zhuang)置(zhi)的(de)進口相通(tong)(tong)。反之,上(shang)端的(de)兩個(ge)通(tong)(tong)道(dao)關(guan)閉(bi),下端兩個(ge)通(tong)(tong)道(dao)與(yu)管道(dao)裝(zhuang)置(zhi)的(de)進口相通(tong)(tong),實現了不(bu)停(ting)車(che)換向(xiang)。有(you)兩組(zu)密(mi)(mi)封(feng)(feng)(feng)組(zu)件(jian)。每組(zu)密(mi)(mi)封(feng)(feng)(feng)組(zu)件(jian)由閥(fa)瓣(ban)(ban)(ban)、密(mi)(mi)封(feng)(feng)(feng)圈、調(diao)整(zheng)塊、調(diao)節(jie)螺(luo)釘、夾板和螺(luo)栓組(zu)成。閥(fa)瓣(ban)(ban)(ban)為碳鋼板焊件(jian),設(she)有(you)加強筋,即增加閥(fa)瓣(ban)(ban)(ban)強度(du)又起導向作用,保(bao)(bao)證每組(zu)閥(fa)瓣(ban)(ban)(ban)間的同軸度(du)。閥(fa)瓣(ban)(ban)(ban)上鑲嵌聚氨脂橡(xiang)膠圈,該材料(liao)具有(you)耐油、耐磨損、性(xing)能(neng)(neng)穩(wen)定(ding)、密(mi)(mi)封(feng)(feng)(feng)良好和使(shi)用壽(shou)命長的特點。在凸輪的作用下,密(mi)(mi)封(feng)(feng)(feng)圈的球面與閥(fa)體密(mi)(mi)封(feng)(feng)(feng)面相接觸產生擠壓彈性(xing)變形,達到(dao)密(mi)(mi)封(feng)(feng)(feng)效果。調(diao)整(zheng)塊和調(diao)節(jie)螺(luo)釘在兩組(zu)密(mi)(mi)封(feng)(feng)(feng)組(zu)件(jian)不(bu)能(neng)(neng)同步(bu)(bu)到(dao)位時可起調(diao)整(zheng)作用,確保(bao)(bao)各通道密(mi)(mi)封(feng)(feng)(feng)性(xing)能(neng)(neng)同步(bu)(bu)到(dao)位。
派克換向閥可(ke)分為手動換向(xiang)(xiang)閥(fa)、電磁換向(xiang)(xiang)閥(fa)、電液換向(xiang)(xiang)閥(fa)等。又稱克里(li)斯閥(fa),閥(fa)門(men)的一種,具有多向(xiang)(xiang)可(ke)調的通道,可(ke)適時改(gai)變流體流向(xiang)(xiang)。
工(gong)(gong)(gong)作(zuo)時(shi)借著(zhu)閥(fa)(fa)外的(de)驅(qu)(qu)動(dong)(dong)(dong)傳動(dong)(dong)(dong)機構轉(zhuan)動(dong)(dong)(dong)驅(qu)(qu)動(dong)(dong)(dong)軸,帶動(dong)(dong)(dong)搖拐臂,啟動(dong)(dong)(dong)閥(fa)(fa)板(ban),使工(gong)(gong)(gong)作(zuo)流(liu)體(ti)時(shi)而從左入口通(tong)向閥(fa)(fa)的(de)下(xia)部出口,時(shi)而從右(you)入口變換(huan)通(tong)向下(xia)部出口,實現了周期(qi)變換(huan)流(liu)向的(de)目的(de)。,美國派克(ke)換(huan)向閥(fa)(fa)在石油、化工(gong)(gong)(gong)生(sheng)產中有著(zhu)廣泛的(de)應用(yong),在合成(cheng)氨造氣(qi)系統中z為常用(yong)。此(ci)外,換(huan)向閥(fa)(fa)還可作(zuo)成(cheng)閥(fa)(fa)瓣式的(de)結構,多用(yong)于較小流(liu)量的(de)場合。工(gong)(gong)(gong)作(zuo)時(shi)只需轉(zhuan)動(dong)(dong)(dong)手輪通(tong)過閥(fa)(fa)瓣來變換(huan)工(gong)(gong)(gong)作(zuo)流(liu)體(ti)的(de)流(liu)向。
Parker派克D1VW系(xi)列電磁換向(xiang)閥是種
3 油腔電磁控制(zhi)的三位(wei)四通(tong)或二位(wei)四通(tong)方向(xiang)控制(zhi)閥,
通過旋入式銜于鐵(tie)管濕式電磁(ci)鐵(tie)直接控制。
線圈能夠根據不同的輸入電壓進(jin)行調換(huan),但是交流和直流之間不能更換(huan)。
Parker派(pai)克D1VW-8W系列(lie)電動式換向閥是種(zhong)直動式4通高閥。
它有(you)2個(ge)或3個(ge)換向(xiang)位置。該閥適用于板(ban)式(shi)(shi)和連(lian)接底板(ban)式(shi)(shi)管式(shi)(shi)安裝,
接口(kou)符合DIN 24340 A6。該閥是高(gao)循環率,長壽命,高(gao)效率和低耗能。
D1VW-8W閥的使用范圍是機床(chuang)工(gong)業,特別是采用很多(duo)閥的多(duo)工(gong)位自(zi)動線。
尺(chi)寸圖介紹: