三通旋塞阀主要性能规范型号公称压力PN(MPa)试验压力PS(MPa)适用介质工作温度（℃）壳体密封X44T-1.0P1.01.51.1硝酸类≤250X44W-1.0R1.01.51.1醋酸类≤250X44W-1.0C1.O1.51.1煤气、油品≤200三通旋塞阀主要尺寸公称压力PN(MPa)公称通径DN(mm)尺寸(mm)LDD1D2z-Φd□shH??1.O2514511585564×Φ141738133?32170135100784×Φ181845152?40180145110854×Φ182455212?502001601251004×Φ182874260?652201801451204×Φ183282295?802501951601354×Φ184095327?1003002151801558×Φ2345135425?1253502452101858×Φ2354154482?1504002802402108×Φ2362172512?2004503352952658×Φ2375195605三通旋塞阀主要零件材料零件名称阀体塞子填料压盖填料X44W-1.OP铬镍钛不锈钢铬镍钛不锈钢铬镍钛不锈钢柔性石墨油浸石棉盘根X44W-1.0R铬镍钼钛不锈钢铬镍钼钛不锈钢铬镍钼钛不锈钢X44W-1.0C铸钢铸钢铸钢)