上(shang)海閥(fa)(fa)盛閥(fa)(fa)門制造有限(xian)公(gong)司(si)主要生產(chan)電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)，可(ke)提供電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)價格，電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)說(shuo)明書，電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)實物圖(tu)，電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)結構圖(tu)，電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)外形尺寸(cun)，電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)執行標準，電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)工作原(yuan)理，電(dian)(dian)(dian)動(dong)(dong)(dong)耐(nai)(nai)(nai)磨(mo)(mo)截(jie)止閥(fa)(fa)作用特(te)點。

電(dian)動耐(nai)磨(mo)截止閥(fa)的啟閉件是塞形的閥(fa)瓣(ban)，密封(feng)面呈平(ping)面或錐面，閥(fa)瓣(ban)沿流體(ti)的中(zhong)心(xin)線(xian)作直線(xian)運動。閥(fa)桿(gan)的運動形式(shi)，有升(sheng)降(jiang)(jiang)桿(gan)式(shi)（閥(fa)桿(gan)升(sheng)降(jiang)(jiang)，手輪(lun)不升(sheng)降(jiang)(jiang)），也有升(sheng)降(jiang)(jiang)旋轉桿(gan)式(shi)（手輪(lun)與閥(fa)桿(gan)一(yi)起旋轉升(sheng)降(jiang)(jiang)，螺母設(she)在閥(fa)體(ti)上）。電(dian)動耐(nai)磨(mo)截止閥(fa)只適用于全開和全關，不允許作調節和節流。

PN 25.0-32.0MPa P57170V

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