意(yi)大利阿(a)托斯先導式溢流閥批(pi)發CART ARE-20 阿托斯公(gong)司創建于(yu)1957年，總部位于(yu)意大利北(bei)部。該公(gong)司擁有專業(ye)的(de)電子液壓技術和(he)豐富的(de)經驗。他們提供的(de)部件產品幾乎覆蓋整個液壓領域(yu)。產品包括：ATOS(阿托斯)葉片泵(beng)(beng)、ATOS柱塞(sai)泵(beng)(beng)(包(bao)括ATOS比(bi)例(li)(li)柱塞(sai)泵(beng)(beng))、ATOS液(ye)壓缸、ATOS伺服液(ye)壓缸、ATOS 電磁閥(fa)、ATOS常規閥(fa)、ATOS疊加(jia)閥(fa)、ATOS插裝閥(fa)、ATOS比(bi)例(li)(li)閥(fa)、ATOS電子器(qi)件和ATOS液(ye)壓系統等。 ATOS電(dian)(dian)磁(ci)閥(fa)的(de)(de)(de)主(zhu)要(yao)特點電(dian)(dian)磁(ci)閥(fa)外漏(lou)(lou)(lou)堵(du)絕(jue)，內(nei)漏(lou)(lou)(lou)易控(kong)，使用安全。內(nei)外泄漏(lou)(lou)(lou)是危及安全的(de)(de)(de)要(yao)素。其它自控(kong)閥(fa)通常將閥(fa)桿(gan)伸出，由(you)電(dian)(dian)動(dong)(dong)(dong)(dong)、氣動(dong)(dong)(dong)(dong)、液動(dong)(dong)(dong)(dong)執(zhi)行機(ji)(ji)構控(kong)制閥(fa)芯的(de)(de)(de)轉動(dong)(dong)(dong)(dong)或移(yi)動(dong)(dong)(dong)(dong)。這都要(yao)解決(jue)長期動(dong)(dong)(dong)(dong)作閥(fa)桿(gan)動(dong)(dong)(dong)(dong)密封(feng)(feng)的(de)(de)(de)外泄漏(lou)(lou)(lou)難(nan)題；唯有電(dian)(dian)磁(ci)閥(fa)是用電(dian)(dian)磁(ci)力(li)作用于密封(feng)(feng)在電(dian)(dian)動(dong)(dong)(dong)(dong)調節閥(fa)隔(ge)磁(ci)套管內(nei)的(de)(de)(de)鐵芯完成(cheng)，不存(cun)在動(dong)(dong)(dong)(dong)密封(feng)(feng)，所(suo)以外漏(lou)(lou)(lou)易堵(du)絕(jue)。電(dian)(dian)動(dong)(dong)(dong)(dong)閥(fa)力(li)矩控(kong)制不易，容(rong)易產生內(nei)漏(lou)(lou)(lou)，甚至拉斷閥(fa)桿(gan)頭部(bu)；電(dian)(dian)磁(ci)閥(fa)的(de)(de)(de)結構型式容(rong)易控(kong)制內(nei)泄漏(lou)(lou)(lou)，直至降為零。所(suo)以，電(dian)(dian)磁(ci)閥(fa)使用特別安全，尤其適(shi)用于腐蝕性、有毒或高低(di)溫的(de)(de)(de)介質。 ATOS電(dian)(dian)磁(ci)閥(fa)系(xi)統簡(jian)單(dan)(dan)，便接電(dian)(dian)腦，價格(ge)低(di)謙(qian)。電(dian)(dian)磁(ci)閥(fa)本身結構簡(jian)單(dan)(dan)，價格(ge)也(ye)低(di)，比起調節閥(fa)等其它種(zhong)類(lei)執(zhi)行器易于安裝維(wei)護(hu)。更顯著的(de)(de)(de)是所(suo)組成(cheng)的(de)(de)(de)自控(kong)系(xi)統簡(jian)單(dan)(dan)得(de)多(duo)，價格(ge)要(yao)低(di)得(de)多(duo)。由(you)于電(dian)(dian)磁(ci)閥(fa)是開關信號控(kong)制，與工控(kong)計算機(ji)(ji)連接十分方便。 阿托斯先導型溢流閥的導閥部分結構尺寸較小，調壓彈簧不必很強，因此壓力調整比較輕便。但因先導型溢流閥要在先導閥和主閥都動作后才能起控制作用，因此反應不如直動型溢流閥靈敏。 與三節同(tong)心結(jie)構相比(bi)，二節同(tong)心結(jie)構的(de)特點是：①主(zhu)閥(fa)芯僅與閥(fa)套和主(zhu)閥(fa)座有同(tong)心度(du)要求，免去了與閥(fa)蓋(gai)的(de)配(pei)合，故(gu)結(jie)構簡單，加工(gong)和裝配(pei)方便。②過流(liu)面(mian)積(ji)大，在相同(tong)流(liu)量的(de)情況下，主(zhu)閥(fa)開啟高度(du)小；或者(zhe)在相同(tong)開啟高度(du)的(de)情況下，其(qi)通流(liu)能(neng)力(li)大，因此，可做得(de)體積(ji)小、重(zhong)量輕(qing)。③主(zhu)閥(fa)芯與閥(fa)套可以通用化，便于組(zu)織批量生(sheng)產。 先(xian)導(dao)式溢流閥批發： AGAM-10/11/210-IX 24DC AGAM-10/11/350
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