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高(gao)壓(ya)電(dian)動(dong)閥(fa)門(men)、高(gao)壓(ya)電(dian)動(dong)閘閥(fa)采(cai)用(yong)法(fa)蘭連(lian)接,屬整(zheng)體直(zhi)通鑄造(zao)閥(fa),電(dian)動(dong)高壓閘閥(fa)主要應(ying)用(yong)於壓力(li)為(wei)PN16.0MPa以(yi)內(nei)的(de)水(shui)、蒸(zheng)汽(qi)、油(you)品(pin)、過熱(re)蒸(zheng)汽(qi)的(de)管道(dao)上,中部(bu)采(cai)用(yong)閥(fa)蓋(gai)連(lian)接,在(zai)高溫高壓工況下(xia)具有(you)良好的密(mi)封(feng)性能。電(dian)動(dong)高壓閘閥(fa)密(mi)封(feng)面(mian)上層(ceng)堆焊(han)硬(ying)質(zhi)合(he)金(jin),其(qi)加工(gong)後(hou)的純(chun)金(jin)屬層(ceng)≥3mm,具有(you)耐磨、耐高溫(wen)、抗(kang)腐蝕、抗(kang)擦傷(shang)、使(shi)用(yong)壽命(ming)長(chang)。
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