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High pressure safety valve
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High pressure safety valve
A61H/Y High pressure safety valves are used for the equipment and pipeline of medium like air, ammonia, petroleum gas etc, with working temperature less than 200℃. A61H/Y-160P and A61H/Y-320P types are used for the equipment and pipeline of corrosive gas and liquid whose working temperature less than 200℃. It takes as a extra pressure protection devices.
Material List:
No. | Parts Name | Material (A21H-C/A21F) |
Material (WA42Y-P) |
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 PTFE |
8 | Stem | 2Cr13 | 2Cr13 |
9 | Bonnet | ZG230-450 | 1Cr18Ni9Ti |
10 | Adjusting nut | 45 | 2Cr13 |
11 | Cap | ZG200-400 | 1Cr18Ni9Ti |
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