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 slite |
10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| Sealing surface of material | "Y" Co Depositing slite, "H" D507 Depositing D507, "W" body |