A21F、A21H-C型安全閥適用于工作溫度≤200℃的空氣、氨、石油氣……等介質的設備或管路上。A21W-P、R型安全閥適用于溫度≤200℃有腐蝕性的氣體或液體的設備或管路上，作為超壓保護裝置。KA21Y型適用于溫度≤100℃的液化石油氣等。
|
| 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. |
零件名稱 |
A21H-C/A21F KA21Y-C Materials |
A21W-P/A21F-P KA21Y-P Materials |
A21Y-R Materials |
| 1 |
管接頭 |
20 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 2 |
管接頭螺母 |
35 |
2Cr13 |
1Cr18Ni9Ti |
| 3 |
閥座 |
35 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 4 |
閥體 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 5 |
閥瓣 |
2Cr13/2Cr13+PTFE |
1Cr18Ni9Ti/1Cr18nI9Ti+PTFE |
1Cr18Ni12Mo2Ti |
| 6 |
彈簧座 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 7 |
彈簧 |
50CrVA |
50CrVA Coated Teflon |
50CrVA Coated Teflon |
| 8 |
鎖緊螺母 |
Q235-A |
2Cr13 |
1Cr18Ni9Ti |
| 9 |
彈簧導向墊 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
| 10 |
調節螺母 |
Q235-A |
2Cr13 |
1Cr18Ni12Mo2Ti |
| |
密封面材料 |
"Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body |