J13W内螺纹针型阀是仪表测量管路系统中重要组成部分,主要有截止阀和球阀,其功用是作开启或切断管道通路用。  主要零件材料 Materials for main parts
零件名称Part name阀杆、阀盖Stem、Bonnet阀杆、阀瓣Stem、Disc填料PackingJ13W-16P铬镍不锈钢 
Cr,NI Stainless steel铬镍不锈钢 
Cr,NI Stainless steel聚四氟乙稀、柔性石墨 
PTEF,Soft graphiteH13W-160、J13W-40优质碳钢 
Hihg grade carbon steel铬不锈钢 
Cr,Stainless steel
型号 
Type公称压力(MPa)Nominal pressure试验压力(MPa)Test pressure工作压力(MPa)Working pressure工作温度(℃)Working temperature适用介质 
Applicable mediun壳体 
Shell密封(液)
Seal密封(气)
SealJ13W-161.62.41.760.61.6P<540℃液化石油气水、酸、蒸汽、油品等Petroleun gas Water,Asic,Steam,Oil etc.J13W-40P4.06.04.40.64.0J13W-16016.024.017.60.616.0C<425℃J13W-320P32.048.035.20.632.0
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