产品详细资料：
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-ød | DN' | D1 | K1 | g2 | b1 | f' | Z1-ød1 | L | L1 | ≈H |
AH42F-16C
A42F-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
A42F-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 |
