A21F、A21H-C型安全阀适用于工作温度≤200℃的空气、氨、石油气……等介质的设备或管路上。A21W-P、R型安全阀适用于温度≤200℃有腐蚀性的气体或液体的设备或管路上,作为超压保护装置。KA21Y型适用于温度≤100℃的液化石油气等。
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A21F-16C A21H-16C A21H-40 A21H-64 A21Y-100 A21H-160 A21W-16P A21W-40P A21F-40P A21W-64P A21W-100P A21W-160P KA21Y-16C KA21Y-16P A21Y-16R A21Y-40R A21Y-64R A21Y-100R A21Y-160R |
主要零部件材料 Explanation of materials for main parts |
NO. |
零件名称 |
A21H-C/A21F KA21Y-C Materials |
A21W-P/A21F-P KA21Y-P Materials |
A21Y-R Materials |
1 |
管接头 |
20 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
2 |
管接头螺母 |
35 |
2Cr13 |
1Cr18Ni9Ti |
3 |
阀座 |
35 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
4 |
阀体 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
5 |
阀瓣 |
2Cr13/2Cr13+PTFE |
1Cr18Ni9Ti/1Cr18nI9Ti+PTFE |
1Cr18Ni12Mo2Ti |
6 |
弹簧座 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
7 |
弹簧 |
50CrVA |
50CrVA Coated Teflon |
50CrVA Coated Teflon |
8 |
锁紧螺母 |
Q235-A |
2Cr13 |
1Cr18Ni9Ti |
9 |
弹簧导向垫 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
10 |
调节螺母 |
Q235-A |
2Cr13 |
1Cr18Ni12Mo2Ti |
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密封面材料 |
"Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body |