真空负压安全阀主要零部件材料
|
NO. |
零件名称 |
SFA72W-P材料 |
SFA72W-R材料 |
|
1 |
阀体 |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
2 |
阀座 |
1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
3 |
调节圈 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
4 |
阀盖 |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
|
5 |
阀杆 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
6 |
弹簧 |
50CrVA |
50CrVA包覆氟塑料 |
真空负压安全阀外形尺寸和连接尺寸
|
公称通径 |
尺寸 |
||||||
|
D |
D1 |
D2 |
Z-?d |
b |
f1 |
H |
|
|
15 |
95 |
65 |
45 |
4-14 |
14 |
2 |
110 |
|
20 |
105 |
75 |
55 |
4-14 |
16 |
2 |
130 |
|
25 |
115 |
85 |
65 |
4-14 |
16 |
2 |
150 |
|
32 |
140 |
100 |
78 |
4-18 |
18 |
2 |
180 |
|
40 |
150 |
110 |
85 |
4-18 |
18 |
3 |
200 |
|
50 |
165 |
125 |
100 |
4-18 |
20 |
3 |
221 |
|
80 |
200 |
160 |
135 |
4-18 |
22 |
3 |
245 |
|
100 |
220 |
180 |
155 |
8-18 |
22 |
3 |
253 |
|
125 |
250 |
210 |
185 |
8-18 |
24 |
3 |
280 |
|
150 |
285 |
240 |
210 |
8-23 |
24 |
3 |
329 |
|
200 |
340 |
295 |
265 |
8-23 |
26 |
3 |
377 |
|
250 |
395 |
350 |
320 |
12-23 |
28 |
3 |
440 |