外螺纹针型阀,外螺纹针形阀J21W/J23W简单描述外螺纹针形阀用途：用于冶金、化工、制药、仪表等，作管路工程安装控制介质流通启闭的装置。相关参数型号:J21W/J23W规格:DN6-DN40详细介绍主要零件材料Materialsformainparts零件名称Partname阀杆、阀盖nnet阀杆、阀瓣Stem,Disc填料PackingJ213w-16p铬镍不锈钢Cr.NiStainlessssteel铬镍不锈钢Cr.NiStainlessssteel聚四氧乙稀、柔性石墨PTEF,SoftgraphiteJ213w-160、J213w-40优质碳钢Highgradecarbonsteel铬不锈钢Cr.Staininlisssteel主要性能规范Chiefpropertyandspecifieation型号Type公称压力(MPa)NominalpressureNominal试验压力PS(MPs)testTestpressure工作压力(MPa)Workingpressure工作温度(℃)Workingtemperature适用介质Applicablemediun壳体Shell密封（液）Seal密封（气）SealJ213w-16162.41.760.616p≤200℃液化***水、油品等PetroliungasWater,OiletcJ213w-40p4.06.04.40.64.0J213w-16016.024.017.60.616.0C≤425℃J213w-320p32.048.035.20.632.0主要外形及连接尺寸公称直径DN(mm)Nominaldiameter尺寸Dimensi***重量(Kg)WeightDoD1D2LH1H2M6701461409610620×1.50.91080181016011512524×1.51.1815100221518012213230×22.020110281822015616636×23.525140332223016918042×24.3)