A41H Spring Low Lift Flange Pressure Safety Valve:
Materials of main parts:
No. | Name of part | Materials | ||
A41H-C/K A41Y-C | A41Y-P/K A41Y-P | A41Y-R/K A41Y-R | ||
1 | Body | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
2 | Nozzle | ZG2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
3 | Adjusting ring | ZG2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
4 | Disc | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | Guide sleeve | ZG2Cr13/1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
6 | Bonnet | ZG230-450 | ZG230-450 | ZG230-450 |
7 | Spring | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflon |
8 | Stem | 2Cr13 | 2Cr13 | 1Cr18Ni12Mo2Ti |
9 | Adjusting bolt | 45 | 2Cr13 | 2Cr13 |
10 | Cap | ZG200-400 | ZG200-400 | ZG200-400 |
| Sealing surface of seat and disc | Surfacing D507 | Co Depositing stellite |
No. | Name of part | Materials | ||
A41Y-160 A41Y-320 | A41Y-160P A41Y-320P | A41Y-160R A41Y-320R | ||
1 | Flange | 35/35CrMoA | 2Cr13 | 1Cr18Ni9Ti |
2 | Nozzle | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
3 | Body | 35/40 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
4 | Disc | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | Guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
6 | Spring | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflon |
7 | Stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
8 | Bonnet | ZG230-450 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
9 | Adjusting bolt | 45 | 2Cr13 | 2Cr13 |
10 | Cap | ZG200-400 | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
| Sealing surface of seat and disc |
| Co Depositing stellite |
A41H Spring Low Flange Safety Valve