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AH42F、A42F型液化石油气安全阀,安全回流阀适用于工作温度在-40~80℃的液化石油气的液相出口管上，当进出口压差大于0.5MPa时液化石油气能自动回流入罐。
主要零部件材料
|
NO. |
零件名称 |
AH42F-C A42F-C 材料 |
|
1 |
阀座 |
2Cr13 |
|
2 |
阀体 |
WCB |
|
3 |
调节圈 |
2Cr13 |
|
4 |
反冲盘 |
2Cr13 |
|
5 |
阀瓣 |
2Cr13+PTFE |
|
6 |
导向套 |
2Cr13 |
|
7 |
阀盖 |
ZG230-450 |
|
8 |
弹簧 |
50CrVA |
|
9 |
阀杆 |
2Cr13 |
|
10 |
调整螺杆 |
45 |
|
11 |
阀帽 |
ZG200-400 |
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 |
DN'' |
D1 |
K1 |
g2 |
b1 |
f'' |
Z1-?d1 |
L |
L1 |
≈H |
|
AH42F-16C |
20 |
15 |
105 |
75 |
55 |
16 |
2 |
4-14 |
25 |
115 |
85 |
65 |
16 |
2 |
4-14 |
110 |
95 |
378 |
||
|
25 |
16 |
115 |
85 |
65 |
16 |
2 |
4-14 |
32 |
140 |
100 |
78 |
18 |
2 |
4-18 |
110 |
95 |
378 |
|||
|
32 |
20 |
140 |
100 |
78 |
18 |
2 |
4-18 |
40 |
150 |
110 |
85 |
18 |
3 |
4-18 |
115 |
100 |
378 |
|||
|
40 |
25 |
150 |
110 |
85 |
18 |
3 |
4-18 |
50 |
165 |
125 |
100 |
20 |
3 |
4-18 |
120 |
110 |
406 |
|||
|
50 |
32 |
165 |
125 |
100 |
20 |
3 |
4-18 |
65 |
185 |
145 |
120 |
20 |
3 |
4-18 |
135 |
120 |
450 |
|||
|
65 |
40 |
185 |
145 |
120 |
20 |
3 |
4-18 |
80 |
200 |
160 |
135 |
20 |
3 |
8-18 |
160 |
140 |
520 |
|||
|
80 |
50 |
200 |
160 |
135 |
20 |
3 |
8-18 |
100 |
220 |
180 |
155 |
22 |
3 |
8-18 |
170 |
135 |
525 |
|||
|
100 |
65 |
220 |
180 |
155 |
22 |
3 |
8-18 |
125 |
250 |
210 |
185 |
22 |
3 |
8-18 |
195 |
175 |
690 |
|||
|
125 |
80 |
250 |
210 |
185 |
22 |
3 |
8-18 |
150 |
285 |
240 |
210 |
24 |
3 |
8-23 |
210 |
190 |
780 |
|||
|
150 |
100 |
285 |
240 |
210 |
24 |
3 |
8-23 |
175 |
310 |
270 |
240 |
26 |
3 |
8-23 |
255 |
230 |
838 |
|||
|
200 |
125 |
340 |
295 |
265 |
26 |
3 |
12-23 |
250 |
405 |
355 |
320 |
30 |
3 |
12-26 |
300 |
260 |
992 |
|||
|
250 |
150 |
405 |
355 |
320 |
30 |
3 |
12-26 |
300 |
460 |
410 |
375 |
30 |
4 |
12-26 |
350 |
320 |
1266 |
|||
|
300 |
220 |
460 |
410 |
375 |
30 |
4 |
12-26 |
400 |
580 |
525 |
485 |
36 |
4 |
16-30 |
370 |
350 |
1283 |
|||
|
350 |
250 |
520 |
470 |
435 |
34 |
4 |
16-26 |
500 |
715 |
650 |
608 |
44 |
4 |
20-34 |
500 |
450 |
1520 |
|||
|
400 |
280 |
580 |
525 |
485 |
36 |
4 |
16-30 |
500 |
715 |
650 |
608 |
44 |
4 |
20-34 |
500 |
450 |
1530 |
禹
