一、J21W外螺紋針型閥主要零件材料
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零件名稱Part name
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閥桿、閥蓋Stem,Bonnet
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閥桿、閥瓣Stem,Disc
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填料Packing
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J21W-16P
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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 graphite
|
|
J21W-40、J23W-160
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優(yōu)質(zhì)碳鋼
High grade carbon steel |
鉻不銹鋼
Cr. Stainless steel |
二、J21W外螺紋針型閥主要性能規(guī)范：
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型號
Type |
公稱壓力（MPa）Nominal pressure
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試驗(yàn)壓力PS（MPa）
Test pressure |
工作壓力（MPa）Working pressuer
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工作溫度（℃）Working temperature
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適用介質(zhì)Applicable mediun
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||
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殼體Shell
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密封（液）Seal
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密封（氣）Seal
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|||||
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J21W-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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液化石油氣水、油品等Petroleun gas Water,Oil etc.
|
|
J21W-40P
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4.0
|
6.0
|
4.4
|
0.6
|
4.0
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||
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J21W-160
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16.0
|
17.6
|
17.6
|
0.6
|
16.0
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C≤425℃
|
|
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J21W-320P
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32.0
|
48.0
|
35.2
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0.6
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32.0
|
||
三、J21W外螺紋針型閥技術(shù)圖片：
四、J21W外螺紋針型閥主要外形及連接尺寸：
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公稱直徑（mm）Nominal diameter
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尺 寸Dimensions
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重量（Kg）Weight
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||||||
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D0
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D1
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D2
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L
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H1
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H2
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M
|
||
|
6
|
70
|
14
|
6
|
135
|
96
|
106
|
20×1.5
|
0.8
|
|
10
|
80
|
18
|
10
|
156
|
115
|
125
|
24×1.5
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1.1
|
|
15
|
100
|
22
|
15
|
180
|
122
|
132
|
30×2
|
2.0
|
|
20
|
110
|
28
|
18
|
185
|
156
|
166
|
36×2
|
3.0
|
|
25
|
140
|
33
|
22
|
185
|
169
|
180
|
42×2
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3.2
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