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详细介绍
A42Y-160/320弹簧全启封闭式高压安全阀
适用范围
AH42F安全回流阀、A42F液化石油气安全阀适用于工作温度在-40~80℃的液化石油气的液相出口管上，当进口压差大于0.5MPa时，液化石油气自动回流入罐。
主要零部件材料 Meterial for main parts
| 序号No. | 零件名称 Name of part | AH42F-C A42F-C |
| 1 | 阀座 Nozzle | 2Cr13 |
| 2 | 阀体 Body | WCB |
| 3 | 调节圈 Adjusting ring | 2Cr13 |
| 4 | 反冲盘 Disc holde | 2Cr13 |
| 5 | 阀瓣 Disc | 2Cr13+PTFE |
| 6 | 导向套 Guide sleeve | 2Cr13 |
| 7 | 阀盖 Bonnet | ZG230-450 |
| 8 | 弹簧 Spring | 50CrVA |
| 9 | 阀杆 Stem | 2Cr13 |
| 10 | 调整螺杆 Adjusting bolt | 45 |
| 11 | 阀帽 Cap | ZG200-400 |
主要连接尺寸（mm） Size of main connection
| 公称通径DN Nominal Diameter | 尺寸（mm） Size | ||||||||||||||||||
| d0 | D | K | g | g1 | b | f | f1 | Z-￠d | D’ | D1 | K1 | g2 | b1 | f’ | Z1-￠d1 | 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 | 340 | - | 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 | 600 | 715 | 650 | 608 | 44 | 4 | 20-￠34 | 500 | 450 | 1530 |
| AH42F-25 A42F-25 | |||||||||||||||||||
| 20 | 15 | 75 | 75 | - | 55 | 16 | 2 | - | 4-￠14 | 25 | 115 | 85 | 65 | 16 | 2 | 4-￠14 | 110 | 95 | 378 |
| 25 | 16 | 85 | 85 | - | 65 | 16 | 2 | - | 4-￠14 | 32 | 140 | 100 | 78 | 18 | 2 | 4-￠18 | 110 | 95 | 378 |
| 32 | 20 | 100 | 100 | - | 78 | 18 | 2 | - | 4-￠18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-￠18 | 115 | 100 | 378 |
| 40 | 25 | 110 | 110 | - | 85 | 18 | 3 | - | 4-￠18 | 52 | 165 | 125 | 100 | 20 | 3 | 4-￠18 | 120 | 110 | 406 |
| 50 | 32 | 125 | 125 | - | 100 | 20 | 3 | - | 4-￠18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-￠18 | 135 | 120 | 450 |
| 65 | 40 | 145 | 145 | - | 120 | 22 | 3 | - | 8-￠18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-￠18 | 160 | 140 | 520 |
| 80 | 50 | 160 | 160 | - | 135 | 22 | 3 | - | 8-￠18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-￠18 | 170 | 135 | 525 |
| 100 | 65 | 190 | 190 | - | 160 | 24 | 3 | - | 8-￠23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-￠18 | 195 | 175 | 690 |
| 125 | 80 | 220 | 220 | - | 188 | 28 | 3 | - | 8-￠26 | 150 | 285 | 240 | 210 | 24 | 3 | 8-￠23 | 210 | 190 | 780 |
| 150 | 100 | 250 | 250 | - | 218 | 30 | 3 | - | 8-￠26 | 175 | 310 | 270 | 240 | 26 | 3 | 8-￠23 | 255 | 230 | 838 |
| 200 | 125 | 310 | 310 | - | 278 | 34 | 3 | - | 12-￠26 | 250 | 405 | 355 | 320 | 30 | 3 | 12-￠26 | 300 | 260 | 992 |
| 250 | 150 | 370 | 370 | - | 332 | 36 | 3 | - | 12-￠30 | 300 | 460 | 410 | 375 | 30 | 4 | 12-￠26 | 350 | 320 | 1266 |
| 300 | 220 | 430 | 430 | - | 390 | 40 | 4 | - | 16-￠30 | 400 | 580 | 525 | 485 | 36 | 4 | 16-￠30 | 370 | 350 | 1283 |
| AH42F-40 A42F-40 | |||||||||||||||||||
| 20 | 15 | 75 | 75 | 51 | 55 | 16 | 2 | 4 | 4-￠14 | 25 | 115 | 85 | 65 | 16 | 2 | 4-￠14 | 110 | 95 | 378 |
| 25 | 16 | 85 | 85 | 58 | 65 | 16 | 2 | 4 | 4-￠14 | 32 | 140 | 100 | 78 | 18 | 2 | 4-￠18 | 110 | 95 | 378 |
| 32 | 20 | 100 | 100 | 66 | 78 | 18 | 2 | 4 | 4-￠18 | 40 | 150 | 110 | 85 | 18 | 3 | 4-￠18 | 115 | 100 | 378 |
| 40 | 25 | 110 | 110 | 76 | 85 | 18 | 3 | 4 | 4-￠18 | 45 | 165 | 125 | 100 | 20 | 3 | 4-￠18 | 120 | 110 | 406 |
| 50 | 32 | 125 | 125 | 88 | 100 | 20 | 3 | 4 | 4-￠18 | 65 | 185 | 145 | 120 | 20 | 3 | 4-￠18 | 135 | 120 | 450 |
| 65 | 40 | 145 | 145 | 110 | 120 | 22 | 3 | 4 | 8-￠18 | 80 | 200 | 160 | 135 | 20 | 3 | 8-￠18 | 160 | 140 | 520 |
| 80 | 50 | 160 | 160 | 121 | 135 | 22 | 3 | 4 | 8-￠18 | 100 | 220 | 180 | 155 | 22 | 3 | 8-￠18 | 170 | 135 | 525 |
| 100 | 65 | 190 | 190 | 150 | 160 | 24 | 3 | 4.5 | 8-￠23 | 125 | 250 | 210 | 185 | 22 | 3 | 8-￠18 | 195 | 175 | 690 |
| 125 | 80 | 220 | 220 | 176 | 188 | 28 | 3 | 4.5 | 8-￠26 | 150 | 285 | 240 | 210 | 24 | 3 | 8-￠23 | 210 | 190 | 780 |
| 150 | 100 | 250 | 250 | 204 | 218 | 30 | 3 | 4.5 | 8-￠26 | 170 | 310 | 270 | 240 | 26 | 3 | 8-￠23 | 255 | 230 | 838 |
| 200 | 125 | 320 | 320 | 260 | 282 | 38 | 3 | 4.5 | 12-￠30 | 250 | 405 | 355 | 320 | 30 | 3 | 12-￠26 | 300 | 260 | 992 |
| 250 | 150 | 385 | 385 | 313 | 345 | 42 | 3 | 4.5 | 12-￠34 | 300 | 460 | 410 | 375 | 30 | 4 | 12-￠26 | 350 | 320 | 1266 |
三精泵阀公司订货须知：
一、①液化石油气安全阀、安全回流阀产品名称与型号②液化石油气安全阀、安全回流阀口径③液化石油气安全阀、安全回流阀是否带附件以便我们的为您正确选型④液化石油气安全阀、安全回流阀的使用压力⑤液化石油气安全阀、安全回流阀的使用介质的温度。
二、若已经由设计单位选定三精泵阀公司的液化石油气安全阀、安全回流阀型号，请按液化石油气安全阀、安全回流阀型号直接向我司销售部订购。
三、当使用的场合非常重要或环境比较复杂时,请您尽量提供设计图纸和详细参数，由我们的三精泵阀公司专家为您审核把关。
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