AH42型安全回流阀
JLL-AHN42F型安全回流阀
产品概述 Product Description
AHN42F型安全回流阀适用于液化石油气泵出口的液相出口管路上，用于超压介质的安全回流，标准回流压差大于0.5MPa时液化石油气能自动回流入罐。可调整回流压差为0.3~0.8MPa，或按用户要求确定，当泵前压力超过规定值时，阀门自动开启，并起安全回流作用，保证设备和管路的安全运行。
【安全回流阀主要设计参数】 Main design parameters of safety reflux valve
|
设计、制造 |
法兰连接 |
结构长度 |
公称通径 |
公称压力 |
|
GB/T12243 |
JB/T79-94、GB9113-2000 |
GB12221-89 |
DN25~DN300mm |
PN1.6、2.5、4.0MPa |
【安全回流阀主要性能参数】 Main performance parameters of safety reflux valve
|
公称压力 |
壳体试验 |
密封试验 |
开启压力 |
适用介质 |
适宜温度 |
|
1.6 |
2.4 |
0.9PK |
用户确定 |
液化气、天然气 等非腐蚀性介质 |
-40~+80℃ |
|
2.5 |
3.75 |
||||
|
4.0 |
4.4 |
【安全回流阀主要零部件材料】 Main component materials of safety reflux valve
|
NO. |
零件名称 |
AHN42F-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 |
结构示意图 Structure Diagram
【安全回流阀主要外形尺寸】 Main external dimensions of safety reflux valve
|
型号 |
公称通径 |
do |
D |
K |
g |
g1 |
b |
f |
f1 |
Z-ød |
DN’ |
D1 |
K1 |
g2 |
b1 |
f’ |
Z1-ød1 |
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 |
|
|
AH42F-25 |
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 |
22 |
3 |
/ |
8-18 |
80 |
200 |
160 |
135 |
20 |
3 |
8-18 |
160 |
140 |
520 |
|
|
80 |
50 |
200 |
160 |
/ |
135 |
22 |
3 |
/ |
8-18 |
100 |
220 |
180 |
155 |
22 |
3 |
8-18 |
170 |
135 |
525 |
|
|
100 |
65 |
230 |
190 |
/ |
160 |
24 |
3 |
/ |
8-23 |
125 |
250 |
210 |
185 |
22 |
3 |
8-18 |
195 |
175 |
690 |
|
|
125 |
80 |
270 |
220 |
/ |
188 |
28 |
3 |
/ |
8-26 |
150 |
285 |
240 |
210 |
24 |
3 |
8-23 |
210 |
190 |
780 |
|
|
150 |
100 |
300 |
250 |
/ |
218 |
30 |
3 |
/ |
8-26 |
175 |
310 |
270 |
240 |
26 |
3 |
8-23 |
255 |
230 |
838 |
|
|
200 |
125 |
360 |
310 |
/ |
278 |
34 |
3 |
/ |
12-26 |
250 |
405 |
355 |
320 |
30 |
3 |
12-26 |
300 |
260 |
992 |
|
|
250 |
150 |
425 |
370 |
/ |
332 |
36 |
3 |
/ |
12-30 |
300 |
460 |
410 |
375 |
30 |
4 |
12-26 |
350 |
320 |
1266 |
|
|
300 |
220 |
485 |
430 |
/ |
390 |
40 |
4 |
/ |
16-30 |
400 |
580 |
525 |
485 |
36 |
4 |
16-30 |
370 |
350 |
1283 |
|
| AH42F-40 A42F-40 |
20 | 15 | 105 | 25 | 51 | 55 | 16 | 2 | 4 | 4-14 | 25 | 115 | 85 | 65 | 16 | 2 | 4-14 | 110 | 95 | 378 |
| 25 | 16 | 115 | 85 | 58 | 65 | 16 | 2 | 4 | 4-14 | 32 | 140 | 100 | 78 | 18 | 2 | 4-18 | 110 | 95 | 378 | |
| 32 | 20 | 140 | 100 | 66 | 78 | 18 | 2 | 4 | 4-18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-18 | 115 | 100 | 378 | |
| 40 | 25 | 150 | 110 | 76 | 85 | 18 | 3 | 4 | 4-18 | 50 | 165 | 125 | 100 | 20 | 3 | 4-18 | 120 | 110 | 406 | |
| 50 | 32 | 165 | 125 | 88 | 100 | 20 | 3 | 4 | 4-18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-18 | 135 | 120 | 450 | |
| 65 | 40 | 185 | 145 | 110 | 120 | 22 | 3 | 4 | 8-18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-18 | 160 | 140 | 520 | |
| 80 | 50 | 200 | 160 | 121 | 135 | 22 | 3 | 4 | 8-18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-18 | 170 | 135 | 525 | |
| 100 | 65 | 235 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-18 | 195 | 175 | 690 | |
| 125 | 80 | 270 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-26 | 150 | 285 | 240 | 210 | 24 | 3 | 8-23 | 210 | 190 | 780 | |
| 150 | 100 | 300 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-26 | 175 | 310 | 270 | 240 | 26 | 3 | 8-23 | 255 | 230 | 838 | |
| 200 | 125 | 375 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-30 | 250 | 405 | 355 | 320 | 30 | 3 | 12-26 | 300 | 260 | 992 | |
| 250 | 150 | 450 | 385 | 313 | 345 | 42 | 3 | 4.5 | 12-34 | 300 | 460 | 410 | 375 | 30 | 4 | 12-26 | 350 | 320 | 1266 |
【安全回流阀安装说明】 Installation instructions for safety reflux valve
①安全回流阀都应水平安装。
②安全回流阀出口处应无阻力，避免产生受压现象。
③安全回流阀在安装前应专门测试，并检查其官密封性。
④对使用中的安全回流阀应作定期检查。
加利利温馨提醒：以上所有资料仅供参考，具体参数请电话：021-56350477
