外螺纹截止阀主要零件材料Materials for main parts
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零件名称Part name
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阀杆、阀盖Stem,Bonnet
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阀杆、阀瓣Stem,Disc
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填料Packing
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J23W-16P
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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 graphite
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J23W-40、J23W-160
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优质碳钢
High grade carbon steel |
铬不锈钢
Cr. Stainless steel |
外螺纹截止阀主要性能规范Chief property and specifieation
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型号
Type |
公称压力（MPa）Nominal pressure
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试验压力PS（MPa）
Test pressure |
工作压力（MPa）Working pressuer
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工作温度（℃）Working temperature
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适用介质Applicable mediun
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壳体Shell
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密封（液）Seal
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密封（气）Seal
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|||||
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J23W-16
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1.6
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2.4
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1.76
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0.6
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1.6
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P≤200℃
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液化***水、油品等Petroleun gas Water,Oil etc.
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J23W-40P
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4.0
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6.0
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4.4
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0.6
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4.0
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||
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J23W-160
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16.0
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17.6
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17.6
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0.6
|
16.0
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C≤425℃
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|
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J23W-320P
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32.0
|
48.0
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35.2
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0.6
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32.0
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