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举报该信息A27H型安全阀适用于工作温度≤200℃的水、空气、蒸气等介质的设备或管路上。A27Y适用于工作温度≤200℃有腐蚀性介质的设备或管路上，作为超压保护装置。
A27H-10 A27H-16 A27H-25 A27H-40 A27Y-10P A27Y-16P A27Y-25P A27Y-40P A27Y-10R A27Y-16R A27Y-25R A27Y-40R
| 主要零部件材料 Explanation of materials for main parts | ||||
| NO. | Name of part | A27H Materials | A27W-P Materials | A27W-R Materials |
| 1 | Body | HT350 | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 2 | Nozzle | 35 | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 3 | Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | Disc | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | Spring | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflon |
| 6 | Stem | 2Cr13 | 2Cr13 | 1Cr18Ni9Ti |
| 7 | Adjusting bolt | 45 | 2Cr13 | 1Cr18Ni9Ti |
| 8 | Cap | ZG200-400 | ZG200-400 | 1Cr18Ni9Ti |
| Sealing surface of material | D507 Depositing D507 | Co Depositing stellite | ||
| 10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| Sealing surface of material | "Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body | |||
| 外形尺寸和连接尺寸 Dimensions (mm) | ||||||
| Nominal diameter DN (mm) | Dimensions (mm) | |||||
| do | Rc | L | L1 | G | H | |
| 15 | 10 | 1/2" | 40 | 65 | 1/2" | 135 |
| 20 | 15 | 3/4" | 45 | 70 | 3/4" | 140 |
| 25 | 20 | 1" | 45 | 76 | 1" | 155 |
| 32 | 25 | 11/ " | 55 | 85 | 11/ " | 170 |
| 40 | 32 | 11/ " | 55 | 85 | 11/ " | 310 |
| 50 | 40 | 2" | 67 | 100 | 2" | 322 |
| 65 | 50 | 21/ " | 76 | 112 | 21/ " | 344 |
| 80 | 65 | 3" | 110 | 135 | 3" | 395 |
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