J13W內螺紋針型閥是儀表測量管路系統中重要組成部分,主要有截止閥和球閥,其功用是作開啟或切斷管道通路用。  主要零件材料 Materials for main parts
零件名稱Part name閥桿、閥蓋Stem、Bonnet閥桿、閥瓣Stem、Disc填料PackingJ13W-16P鉻鎳不銹鋼 
Cr,NI Stainless steel鉻鎳不銹鋼 
Cr,NI Stainless steel聚四氟乙稀、柔性石墨 
PTEF,Soft graphiteH13W-160、J13W-40優質碳鋼 
Hihg grade carbon steel鉻不銹鋼 
Cr,Stainless steel
型號 
Type公稱壓力(MPa)Nominal pressure試驗壓力(MPa)Test pressure工作壓力(MPa)Working pressure工作溫度(℃)Working temperature適用介質 
Applicable mediun殼體 
Shell密封(液)
Seal密封(氣)
SealJ13W-161.62.41.760.61.6P<540℃液化石油氣水、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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