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云浮外螺紋安全閥、惠州A21F-16C、A21H-16C氣用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
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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
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3
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閥座
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35
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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4
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閥體
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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5
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閥瓣
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2Cr13/2Cr13+PTFE
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1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE
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1Cr18Ni12Mo2Ti
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6
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彈簧座
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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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
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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
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9
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彈簧導向墊
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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10
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調節螺母
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Q235-A
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2Cr13
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1Cr18Ni12Mo2Ti
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|
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密封面材料
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"Y"型堆焊Co基硬質合金,"H"型堆焊D507,"W"型為閥門本體
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||
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型號
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公稱通徑
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do
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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 |
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
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20
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16
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20
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25
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M33×1.5
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G3/4"
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35
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40
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87
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68
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|
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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"
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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 |
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
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20
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10
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20
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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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68
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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
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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
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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
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100
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261
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25
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8
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28
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/
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M36×2
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G1"
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44
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50
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100
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285
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