上海閥(fa)盛閥(fa)門(men)制造(zao)有限公司主(zhu)要生產(chan)電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)，可提供(gong)電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)價格，電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)說(shuo)明書，電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)實物圖(tu)，電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)結構(gou)圖(tu)，電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)外(wai)形尺(chi)寸，電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)執行(xing)標準，電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)工作(zuo)原理(li)，電(dian)(dian)(dian)動(dong)耐(nai)(nai)磨(mo)截(jie)止(zhi)(zhi)閥(fa)作(zuo)用特(te)點。

電(dian)動(dong)(dong)耐(nai)磨截止閥(fa)(fa)的啟閉件是塞形的閥(fa)(fa)瓣(ban)，密(mi)封(feng)面(mian)(mian)呈平面(mian)(mian)或錐面(mian)(mian)，閥(fa)(fa)瓣(ban)沿流體(ti)的中心線作(zuo)直線運(yun)動(dong)(dong)。閥(fa)(fa)桿的運(yun)動(dong)(dong)形式，有升(sheng)(sheng)降桿式（閥(fa)(fa)桿升(sheng)(sheng)降，手輪不升(sheng)(sheng)降），也(ye)有升(sheng)(sheng)降旋轉(zhuan)桿式（手輪與閥(fa)(fa)桿一起旋轉(zhuan)升(sheng)(sheng)降，螺母設(she)在閥(fa)(fa)體(ti)上）。電(dian)動(dong)(dong)耐(nai)磨截止閥(fa)(fa)只適用于全開(kai)和全關，不允許作(zuo)調節和節流。

PN 25.0-32.0MPa P57170V

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