A42Y-160,A42Y320弹簧全启封闭式高压安全阀
A42Y-160/320适用于工作温度≤200℃的空气、氮气混合气等介质的设备或管路上。A42Y-160P/320P、A42Y-160R/320R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。
2主要零部件材料
|
NO. |
零部件名称 |
A42Y-160 A42Y-320 材料 |
A42Y-160P A42Y-320P 材料 |
A42Y-160R A42Y-320R 材料 |
|
1 |
法兰 |
35/35CrMoA |
2Cr13 |
1Cr18Ni12Mo2Ti |
|
2 |
阀座 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
3 |
阀体 |
40 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
4 |
调节阀 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
5 |
阀瓣 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
6 |
反冲盘 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
7 |
导向套 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
8 |
阀盖 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
|
9 |
阀杆 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
|
10 |
弹簧 |
50CrVA |
50CrVA 包覆氟塑料 |
50CrVA包覆氟塑料 |
|
11 |
调整螺杆 |
45 |
2Cr13 |
2Cr13 |
|
12 |
阀帽 |
ZG200-400 |
ZG200-400 |
ZG200-400 |
|
13 |
密封面材料 |
堆焊 Co 基硬质合金 |
|
|
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