上海閥(fa)(fa)盛閥(fa)(fa)門制造(zao)有限公司主要生產電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)，可提(ti)供電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)價格(ge)，電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)說(shuo)明(ming)書(shu)，電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)實物圖，電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)結構圖，電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)外形尺寸，電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)執行(xing)標準(zhun)，電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)工(gong)作(zuo)原理，電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)耐(nai)磨(mo)(mo)(mo)截(jie)(jie)止(zhi)(zhi)閥(fa)(fa)作(zuo)用特點。

電(dian)動(dong)耐磨(mo)截止(zhi)閥(fa)(fa)的(de)啟(qi)閉件(jian)是(shi)塞形的(de)閥(fa)(fa)瓣(ban)，密封面呈平面或錐面，閥(fa)(fa)瓣(ban)沿(yan)流(liu)體(ti)的(de)中心線(xian)作直線(xian)運動(dong)。閥(fa)(fa)桿(gan)(gan)(gan)(gan)的(de)運動(dong)形式，有升(sheng)(sheng)降桿(gan)(gan)(gan)(gan)式（閥(fa)(fa)桿(gan)(gan)(gan)(gan)升(sheng)(sheng)降，手輪不(bu)升(sheng)(sheng)降），也有升(sheng)(sheng)降旋(xuan)轉桿(gan)(gan)(gan)(gan)式（手輪與(yu)閥(fa)(fa)桿(gan)(gan)(gan)(gan)一起旋(xuan)轉升(sheng)(sheng)降，螺母設在閥(fa)(fa)體(ti)上）。電(dian)動(dong)耐磨(mo)截止(zhi)閥(fa)(fa)只(zhi)適(shi)用于全開和全關(guan)，不(bu)允許作調節和節流(liu)。

PN 25.0-32.0MPa P57170V

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