| 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。 |
| A27H type are used for the equipment and pipeline of water, air, steam etc. medium what the working temperature are less than 200 . A27Y type are used for the equipment and pipeline of the quality with corrode me-dium what the working tempe-rature are less than 200 . Take for extra pressure devices. |
| 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 |
