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A41H、A41Y微启式安全阀适用于工作温度≤300℃的石油气、空气、水等介质的设备或管路上。A41Y-P/R型适用于工作温度≤200℃有腐蚀性介质的设备或管路上，作为超压保护装置。是一种由进口静压开启的自动泄压防护装置,它是压力容器最为重要的安全附件之一,它的功能是：当容器内压力超过某一定值时,依靠介质自身的压力自动开启阀门,迅速排出一定数量的介质。
弹簧微启式安全阀主要零部件材料：
|
NO |
零件名称 |
A41H-C/KA41Y-C材料 |
A41Y-P/KA41Y-P材料 |
A41Y-R/KA41Y-R材料 |
|
1 |
阀体 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
2 |
阀座 |
ZG2Cr13/1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
3 |
调节圈 |
ZG2Cr13/1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
4 |
阀瓣 |
2Cr13/1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
|
5 |
导向套 |
ZG2Cr13/1Cr18Ni9Ti |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
|
6 |
阀盖 |
ZG230-450 |
ZG230-450 |
ZG230-450 |
|
7 |
弹簧 |
50CrVA |
50CrVA包覆氟塑料 |
50CrVA包覆氟塑料 |
|
8 |
阀杆 |
2Cr13 |
2Cr13 |
1Cr18Ni12Mo2Ti |
|
9 |
调整螺杆 |
45 |
2Cr13 |
2Cr13 |
|
10 |
保护罩 |
ZG200-400 |
ZG200-400 |
ZG200-400 |
|
|
密封面材料 |
堆焊D507 |
堆焊Co基硬质合金 |
弹簧微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 |
|
A41H-16C
A41Y-16P
A41Y-16R
KA41Y-16C
KA41Y-16P |
20 |
15 |
105 |
75 |
|
55 |
16 |
2 |
|
4-14 |
100 |
85 |
276 |
|
25 |
20 |
115 |
85 |
|
65 |
16 |
2 |
|
4-14 |
100 |
85 |
276 |
|
32 |
25 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
115 |
100 |
285 |
|
40 |
32 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
120 |
110 |
292 |
|
50 |
40 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
135 |
120 |
370 |
|
65 |
50 |
185 |
145 |
|
120 |
20 |
3 |
|
4-18 |
140 |
130 |
375 |
|
80 |
65 |
200 |
160 |
|
135 |
20 |
3 |
|
8-18 |
160 |
135 |
373 |
|
100 |
80 |
220 |
180 |
|
155 |
22 |
3 |
|
8-18 |
170 |
160 |
513 |
|
125 |
100 |
250 |
210 |
|
185 |
22 |
3 |
|
8-18 |
190 |
190 |
560 |
|
150 |
125 |
285 |
240 |
|
210 |
24 |
3 |
|
8-23 |
205 |
195 |
570 |
|
200 |
150 |
340 |
295 |
|
265 |
26 |
3 |
|
12-23 |
240 |
230 |
717 |
|
250 |
200 |
405 |
355 |
|
320 |
30 |
3 |
|
12-26 |
350 |
320 |
940 |
|
300 |
250 |
460 |
410 |
|
375 |
30 |
4 |
|
12-26 |
350 |
320 |
980 |
|
A41H-25
A41Y-25P
A41Y-25R
KA41Y-25
KA41Y-25P |
20 |
15 |
105 |
75 |
|
55 |
16 |
2 |
|
4-14 |
100 |
85 |
276 |
|
25 |
20 |
115 |
85 |
|
65 |
16 |
2 |
|
4-14 |
100 |
85 |
276 |
|
32 |
25 |
140 |
100 |
|
78 |
18 |
2 |
|
4-18 |
115 |
100 |
285 |
|
40 |
32 |
150 |
110 |
|
85 |
18 |
3 |
|
4-18 |
120 |
110 |
292 |
|
50 |
40 |
165 |
125 |
|
100 |
20 |
3 |
|
4-18 |
135 |
120 |
370 |
|
65 |
50 |
185 |
145 |
|
120 |
22 |
3 |
|
8-18 |
140 |
130 |
375 |
|
80 |
65 |
200 |
160 |
|
135 |
24 |
3 |
|
8-18 |
160 |
135 |
373 |
|
100 |
80 |
230 |
190 |
|
160 |
24 |
3 |
|
8-23 |
170 |
160 |
513 |
|
125 |
100 |
270 |
220 |
|
188 |
28 |
3 |
|
8-26 |
190 |
190 |
560 |
|
150 |
125 |
300 |
250 |
|
218 |
30 |
3 |
|
8-26 |
205 |
195 |
570 |
|
200 |
150 |
360 |
310 |
|
278 |
34 |
3 |
|
12-26 |
240 |
230 |
717 |
|
250 |
200 |
425 |
370 |
|
332 |
36 |
3 |
|
12-30 |
350 |
320 |
940 |
|
300 |
250 |
485 |
430 |
|
390 |
40 |
4 |
|
16-30 |
350 |
320 |
980 |
|
A41H-40
A41Y-40P
A41Y-40R
KA41Y-40
KA41Y-40P |
20 |
15 |
105 |
75 |
51 |
55 |
16 |
2 |
4 |
4-14 |
100 |
85 |
276 |
|
25 |
20 |
115 |
85 |
58 |
65 |
16 |
2 |
4 |
4-14 |
100 |
85 |
276 |
|
32 |
25 |
140 |
100 |
66 |
78 |
18 |
2 |
4 |
4-18 |
115 |
100 |
285 |
|
40 |
32 |
150 |
110 |
76 |
85 |
18 |
3 |
4 |
4-18 |
120 |
110 |
292 |
|
50 |
40 |
165 |
125 |
88 |
100 |
20 |
3 |
4 |
4-18 |
135 |
120 |
370 |
|
65 |
50 |
185 |
145 |
110 |
120 |
22 |
3 |
4 |
8-18 |
140 |
130 |
375 |
|
80 |
65 |
200 |
160 |
121 |
135 |
22 |
3 |
4 |
8-18 |
160 |
135 |
373 |
|
100 |
80 |
235 |
190 |
150 |
160 |
24 |
3 |
4.5 |
8-23 |
170 |
160 |
513 |
|
125 |
100 |
270 |
220 |
176 |
188 |
28 |
3 |
4.5 |
8-26 |
190 |
190 |
560 |
|
150 |
125 |
300 |
250 |
204 |
218 |
30 |
3 |
4.5 |
8-26 |
205 |
195 |
570 |
|
200 |
150 |
375 |
320 |
260 |
282 |
38 |
3 |
4.5 |
12-30 |
240 |
230 |
717 |
|
250 |
200 |
450 |
385 |
313 |
345 |
42 |
3 |
4.5 |
12-34 |
350 |
320 |
940 |
|
300 |
250 |
515 |
450 |
364 |
408 |
46 |
4 |
4.5 |
16-34 |
350 |
320 |
980 | |
