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彈簧微啟式外螺紋安全閥產(chǎn)品詳細資料：
A21F、A21H-C型彈簧微啟式外螺紋安全閥適用于工作溫度≤200℃的空氣、氨、石油氣……等介質(zhì)的設(shè)備或管路上。A21W-P、R型適用于溫度≤200℃有腐蝕性的氣體或液體的設(shè)備或管路上，作為超壓保護裝置。KA21Y型適用于溫度≤100℃的液化石油氣等。?
彈簧微啟式外螺紋安全閥主要零部件材料：?
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NO.?
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零件名稱?
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A21H-C/A21F材料?
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A21W-P/A21F-P材料?
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A21Y-R材料?
|
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1
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管接頭?
|
20
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
|
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2
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管接頭螺母?
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35
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2Cr13
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1Cr18Ni9Ti
|
|
3
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閥座?
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35
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
|
|
4
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閥體?
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
|
|
5
|
閥瓣?
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2Cr13/2Cr13+PTFE
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1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE
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1Cr18Ni12Mo2Ti
|
|
6
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彈簧座?
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
|
|
7
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彈簧?
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50CrVA
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50CrVA包覆氟塑料?
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50CrVA包覆氟塑料?
|
|
8
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鎖緊螺母?
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Q235-A
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ZG230-450
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1Cr18Ni9Ti
|
|
9
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彈簧導(dǎo)向墊?
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
|
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10
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調(diào)節(jié)螺母?
|
Q235-A
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2Cr13
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1Cr18Ni12Mo2Ti
|
|
??
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密封面材料?
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"Y"型堆焊Co基硬質(zhì)合金,"H"型堆焊D507,"W"型為閥門本體?
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彈簧微啟式外螺紋安全閥外形尺寸和連接尺寸：?
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型號?
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公稱通徑?
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do?
|
d?
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Do?
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M?
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d1?
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D1?
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L?
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L1?
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≈H?
|
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KA21-16C
A21H-16C
A21H-40
A21W-16P
A21W-40P
KA21-16P
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15
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12
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15
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20
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M27×1.5
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G1/2"
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30
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35
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76
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66
|
|
20
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16
|
20
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25
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M33×1.5
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G3/4"
|
35
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40
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87
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68
|
|
25
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18
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25
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31
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M39×1.5
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G1"
|
40
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50
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100
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105
|
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A21Y-64
A21Y-64P
A21Y-100
A21Y-100P
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15
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10
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15
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25
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M39×1.5
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G1"
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44
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50
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100
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66
|
|
20
|
10
|
20
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31
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M39×1.5
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G1"
|
44
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50
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100
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68
|
|
25
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12
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25
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31
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M39×1.5
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G1"
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44
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50
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100
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105
|
|
A21W-160/160P
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15
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8
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20
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/
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M24×2
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G1"
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44
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50
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100
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261
|
|
20
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8
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25
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/
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M33×2
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G1"
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44
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50
|
100
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261
|
|
25
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8
|
28
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/
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M36×2
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G1"
|
44
|
50
|
100
|
285
|
?
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