A61H/Y-160、A61H/Y-320型弹簧微启式空压机安全阀（带接管）适用于工作温度≤200℃的空气、氨、石油气等介质的设备和管路上，A61Y-160P、A61Y-320P型弹簧微启式空压机安全阀（带接管）适用于工作温度≤200℃含腐蚀性的气体或液体的的设备和管路上，作为超压保护装置。
A61H弹簧微启式安全阀相关型号：A61H-160 A61Y-320 A61Y-160P A61Y-320P
弹簧微启式安全阀主要零部件材料Explanation of materials for main parts |
NO. | Name of part | A61H-C A61Y-C Materials | A61Y-P Materials |
1 | Union | 20 | 1Cr18Ni9Ti |
2 | Union nut | 35 | 1Cr18Ni9Ti |
3 | Nozzle | 2Cr13 | 1Cr18Ni9Ti |
4 | Body | 35/35CrMoA | 1Cr18Ni9Ti |
5 | Disc | 2Cr13 | 1Cr18Ni9Ti |
6 | Guide | 2Cr13 | 1Cr18Ni9Ti |
7 | Spring | 50CrVA | 50CrVA Coated Teflon |
8 | Stem | 2Cr13 | 2Cr13 |
9 | Bonnet | ZG230-450 | 1Cr18Ni9Ti |
10 | Adjusting bolt | 45 | 2Cr13 |
11 | Cap | ZG200-400 | 1Cr18Ni9Ti |
| Sealing surface of material | "Y" Co Depositing stellite, "H" D507 Depositing D507 |
弹簧微启式安全阀外形尺寸和连接尺寸Dimensions (mm) |
Nominal pressure
PN(MPa) | Nominal diameter
DN(mm) | Dimensions |
do | D | D1 | D2 | L | L1 | H |
16 | 10 | 6 | 17 | 14 | 12 | 115 | 135 | 78 |
15 | 8 | 22 | 18 | 16 | 115 | 135 | 85 |
20 | 10 | 28 | 22 | 20 | 115 | 135 | 135 |
25 | 12 | 35 | 26 | 24 | 160 | 165 | 142 |
32 | 10 | 6 | 22 | 14 | 12 | 115 | 135 | 80 |
15 | 8 | 25 | 17 | 15 | 115 | 135 | 90 |
20 | 10 | 30 | 22 | 20 | 115 | 135 | 140 |
25 | 12 | 38 | 26 | 24 | 160 | 165 | 14 |