>>系列Series
·A21F-16C ·A21W-16P ·KA21Y-16C
·A21H-16C ·A21W-25P ·KA21Y-16P
·A21H-40 ·A21W-40P ·A21Y-16R
·A21H-64 ·A21W-64P ·A21Y-40R
·A21Y-100 ·A21W-100P ·A21Y-64R
·A21Y-160 ·A21W-160P ·A21Y-100R
·A21F-40P ·A21Y-160R
A21F、A21H-C適用于工作溫度≤200℃的石油氣、空氣、水等介質的設備或管路上。
A21W-P/R型 適用于工作溫度≤200℃有腐蝕性介質的設備或管路作為超壓保護裝置。KA21Y型適用于溫度≤100℃的液化石油氣等。
>>主要零部件材料
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NO
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零件名稱
Name of part
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A21F/A21H-C/KA21Y-C材料MATERIALS
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A21F/A21W-P/KA21Y-P材料MATERIALS
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A21Y-R材料MATERIALS
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1
|
管接頭Union
|
20
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
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2
|
管接頭螺母Union nut
|
35
|
2Cr13
|
1Cr18Ni9Ti
|
|
3
|
閥座Nozzle
|
35
|
1Cr18Ni9Ti
|
ZG1Cr18Ni12Mo2Ti
|
|
4
|
閥體Body
|
WCB
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1Cr18Ni9Ti
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ZG1Cr18Ni12Mo2Ti
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5
|
閥瓣Disc
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2Cr13
|
1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
|
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6
|
彈簧座Spring washer
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ZG2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
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|
7
|
彈簧Spring
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50CrVA
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50CrVA包覆氟塑料Coated Teflon
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50CrVA包覆氟塑料Coated Teflon
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8
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鎖緊螺母Locking nut
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Q235-A
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2Cr13
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1Cr18Ni9Ti
|
|
9
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彈簧導向墊Spring guide
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2Cr13
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1Cr18Ni9Ti
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1Cr18Ni12Mo2Ti
|
|
10
|
調節(jié)螺母Adjusting nut
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Q235-A
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2Cr13
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1Cr18Ni9Ti
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|
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密封面材Sealing surface of material
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“Y”堆焊Co基硬質合金Depositing satellite,”H”堆焊D507，“W“型為本體body
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