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A42Y弹簧全启式安全阀适用于工作温度≤300℃空气、石油气、液体等介质的设备和管路上。A42Y-P型及A42Y-R型适用于工作温度≤200℃有腐蚀性的介质的设备和管路上，作为超压保护装置。
弹簧全启式安全阀主要零部件材料：
|
NO. |
零件名称 |
A42Y-C/KA42Y-C材料 |
A42Y-P/KA42Y-P材料 |
A42Y-R材料 |
DA42Y-P材料 |
|
1 |
阀座 |
2Cr13/1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
ZG1Cr18Ni9Ti |
|
2 |
阀体 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
LCB/ZG1Cr18Ni9Ti |
|
3 |
调节圈 |
2Cr13/1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
1Cr18Ni9Ti |
|
4 |
反冲盘 |
2Cr13/1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
1Cr18Ni9Ti |
|
5 |
阀瓣 |
2Cr13/1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
1Cr18Ni9Ti |
|
6 |
导向套 |
2Cr13/1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
1Cr18Ni9Ti |
|
7 |
阀盖 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
ZG1Cr18Ni9Ti |
|
8 |
弹簧 |
50CrVA |
50CrVA包覆氟塑料 |
50CrVA包覆氟塑料 |
50CrVA |
|
9 |
阀杆 |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
1Cr18Ni9Ti |
|
10 |
调整螺杆 |
45 |
2Cr13 |
2Cr13 |
2Cr13 |
|
11 |
阀帽 |
ZG200-400 |
ZG200-400 |
ZG200-400 |
ZG230-450 |
|
|
密封面材料 |
堆焊Co基硬质合金 |
弹簧全启式安全阀外形尺寸和连接尺寸：
|
型号 |
公称通径 |
do |
D |
K |
g |
g1 |
b |
f |
f1 |
Z-?d |
L |
L1 |
≈H |
|
A42Y-16C
A42Y-16P
A42Y-16R
KA42Y-16C DA42Y-16C(P) |
20 |
15 |
105 |
75 |
|
55 |
16 |
2 |
|
4-14 |
110 |
95 |
378 |
|
25 |
16 |
115 |
85 |
|
65 |
16 |
2 |
|
4-14 |
110 |
95 |
378 |
|
32 |
20 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
115 |
100 |
378 |
|
40 |
25 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
120 |
110 |
406 |
|
50 |
32 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
135 |
120 |
450 |
|
65 |
40 |
185 |
145 |
|
120 |
20 |
3 |
|
4-18 |
160 |
140 |
520 |
|
80 |
50 |
200 |
160 |
|
135 |
20 |
3 |
|
8-18 |
170 |
135 |
525 |
|
100 |
65 |
220 |
180 |
|
155 |
22 |
3 |
|
8-18 |
195 |
175 |
690 |
|
125 |
80 |
250 |
210 |
|
185 |
22 |
3 |
|
8-18 |
210 |
190 |
780 |
|
150 |
100 |
285 |
240 |
|
210 |
24 |
3 |
|
8-23 |
255 |
230 |
838 |
|
200 |
125 |
340 |
295 |
|
265 |
26 |
3 |
|
12-23 |
300 |
260 |
992 |
|
250 |
150 |
405 |
355 |
|
320 |
30 |
3 |
|
12-26 |
350 |
320 |
1266 |
|
300 |
220 |
460 |
410 |
|
375 |
30 |
4 |
|
12-26 |
370 |
350 |
1283 |
|
350 |
250 |
520 |
470 |
|
435 |
34 |
4 |
|
16-26 |
500 |
450 |
1520 |
|
400 |
280 |
580 |
525 |
|
485 |
36 |
4 |
|
16-30 |
500 |
450 |
1530 |
|
A42Y-25C
A42Y-25P
A42Y-25R
KA42Y-25C DA42Y-25(P) |
20 |
15 |
105 |
75 |
|
55 |
16 |
2 |
|
4-14 |
110 |
95 |
378 |
|
25 |
16 |
115 |
85 |
|
65 |
16 |
2 |
|
4-14 |
110 |
95 |
378 |
|
32 |
20 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
115 |
100 |
378 |
|
40 |
25 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
120 |
110 |
406 |
|
50 |
32 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
135 |
120 |
450 |
|
65 |
40 |
185 |
145 |
|
120 |
22 |
3 |
|
8-18 |
160 |
140 |
520 |
|
80 |
50 |
200 |
160 |
|
135 |
22 |
3 |
|
8-18 |
170 |
135 |
525 |
|
100 |
65 |
230 |
190 |
|
160 |
24 |
3 |
|
8-23 |
195 |
175 |
690 |
|
125 |
80 |
270 |
220 |
|
188 |
28 |
3 |
|
8-26 |
210 |
190 |
780 |
|
150 |
100 |
300 |
250 |
|
218 |
30 |
3 |
|
8-26 |
255 |
230 |
838 |
|
200 |
125 |
360 |
310 |
|
278 |
34 |
3 |
|
12-26 |
300 |
260 |
992 |
|
250 |
150 |
425 |
370 |
|
332 |
36 |
3 |
|
12-30 |
350 |
320 |
1266 |
|
300 |
220 |
485 |
430 |
|
390 |
40 |
4 |
|
16-30 |
370 |
350 |
1283 | |
