J11W内螺纹针型阀J11W内螺纹针型阀主要零部件材料零件名称阀杆、阀盖阀杆、阀瓣填料J11W-16P铬镍不锈钢铬镍不锈钢聚四乙氟乙稀、柔性石墨J11W-160、J13W-40优质碳钢优质碳钢主要性能规范型号公称压力(MPa)试验压力(MPa)工作压力(MPa)工作温度(℃)适用介质壳体密封(液)密封(气)J11W-161.62.41.760.61.6P≤540℃液化***水、酸、蒸汽、油品等J11W40P4.06.04.40.64.0J11W-16016.024.017.60.616.0C≤425℃J11W-320P32.048.035.20.632.0主要外型及连接尺寸公称直径DN(mm)管螺纹尺寸重量(Kg)DoLHH1d61/460559010040.63103/860609210250.65151/265659710760.8203/4808010912181.0725110090122132101.83211/4140128180191155.04011/2160148200215187.2)