品牌：美国MILLER美国MILLER进口蝶式止回阀概述：美国MILLER进口蝶式止回阀是美国米勒根据API标准生产的，双瓣旋启式止回阀由阀体、阀瓣、阀杆及弹簧等零件组成，采用对夹连接。由于阀瓣的关闭行程短，并且有弹簧加载，可显著减少水锤现象。美国MILLER进口蝶式止回阀参数：公称通径：DN40-DN1200公称压力：0.6MPA-42MPA设计温度：-196℃-600℃连接方式：对夹、适用介质：气、水、油、蒸汽、燃气、腐蚀性流体美国MILLER进口蝶式止回阀部件：主要零件材料阀体WCB(A105)ZG1Cr18Ni9TiCF8(304)CF3(304L)ZG1Cr18Ni12Mo2Ti0Cr17Ni1Mo200Cr17Ni14Mo2阀体CF8CF8CF8CF3CF8MCF8MCF3M阀轴2Cr131Cr18Ni9Ti0Cr18Ni900Cr19Ni101Cr18Ni12Mo2Ti0Cr17Ni12Mo200Cr17Ni14Mo2弹簧0Cr18Ni90Cr18Ni90Cr18Ni900Cr19Ni100Cr17Ni12Mo20Cr17Ni12Mo200Cr17Ni14Mo2美国MILLER进口蝶式止回阀尺寸：公称压力PNMPa公称通径DNmm尺寸(mm)重量(kg)配管法兰(供参考)LDD3D2螺栓孔中心圆直径D1螺栓数量螺栓直径d螺栓长度L1PN1.0MPa406096464121104M161505060109565121254M161506567129736531454M161558073144888041608M161601007316410810261808M161651258619413212782108M1618015098220160152132408M20205200127275210203242958M202352501463302662543735012M202553001813803103055040012M202903501844403553507646016M2029540019148240540011051516M2431045020354245545013556520M2432550021959750550015862020M2434560022269860560032072520M2735570030581170069538084024M2744080030591880079656095024M304509003681018903898640105028M305201000432112410551050900116028M3359012005241340120512001400138032M36695)