A27H，A27Y弹簧微启式安全阀详细介绍
弹簧微启式安全阀(A27H)简介
A27H型弹簧微启式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弹簧微启式安全阀主要零部件材料：
NO. | 零件名称 | A27H材料 | A27W-P材料 | A27W-R材料 |
1 | 阀体 | HT350 | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
2 | 阀座 | 35 | ZG1Cr18Ni9Ti | ZG1Cr18Ni9Ti |
3 | 调节圈 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
4 | 阀瓣 | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | 弹簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |
6 | 阀杆 | 2Cr13 | 2Cr13 | 1Cr18Ni9Ti |
7 | 调整螺杆 | 45 | 2Cr13 | 1Cr18Ni9Ti |
8 | 保护罩 | ZG200-400 | ZG200-400 | 1Cr18Ni9Ti |
| 密封面材料 | “H”堆焊D507 | “Y”堆焊Co基硬质合金 |
| 系列 Series |
| A27H-10 A27H-16 A27H-25 A27H-40 A27Y-10P A27Y-16P A27Y-25P A27Y-40P A27Y-10R A27Y-16R A27Y-25R A27Y-40R |
A27H型适用于工作温度≤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。
| 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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