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產(chǎn)品詳情 J21/3W外螺紋針型閥 主要零件材料 零件名稱 Part name閥桿，閥蓋 Stem，Bonnet閥桿，閥瓣 Stem，disc填料 PackingJ21/3W-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 PTFE，Soft graphiteJ21 /3W-160、J21 3/ W -40**碳鋼 High grade carbon steel鉻不銹鋼 Cr. Stainless steel主要性能規(guī)范 型號 Type公稱壓力PN Mpa試驗壓力PS(Mpa)_Test pressure工作壓力(Mpa) Working pressure工作溫度(OC) Working temps.適用介質(zhì)Applicable medium殼體 Shell密封(液)Seal密封(氣)SealJ13W-16P1.62.41.760.61.6P≤540OC液化石油氣水，酸，蒸汽，油品等 Petroleum gas Water，As，Steam，Oil，etc.J13W-40P4.06.04.40.64.0J13W-160P16.024.017.60.616.0C≤425 OCJ13W-320P32.048.035.20.632.0J13W-420P42.063.046.20.642.0主要外形及連接尺寸 |
