Safety Reflux Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
AH42F-16/25/40C/P angle type liquid safety reflux valves
AH42F-P18 horizontal liquid safety reflux valve
Applications
Spring closed safety reflux valve is suitable for liquid reflux pipes of working temperature -40 ~ +80 ℃ liquefied petroleum gas pump outlet, used for the safe reflux of over-pressure medium, when the before pump pressure exceeds the set value, the valve automatically opens, and makes safety reflux back into the tank, which ensures the safe operation of equipments and pipelines.
Dimensions & constructral diagram
AH42F-16/25/40C/P angle type liquid safety reflux valve constructral diagram
AH42F-P18 horizontal liquid safety reflux valve
External and connection dimensions
| Nominal diameter DN（mm） | AH42F-P18 type dimension(mm) | ||||||
| D | D1 | D2 | b | Z-Фd | L | H | |
| 40 | 150 | 110 | 85 | 16 | 4-18 | 200 | 236 |
| 50 | 165 | 125 | 100 | 16 | 4-18 | 230 | 266 |
| 65 | 185 | 145 | 120 | 20 | 4-18 | 290 | 430 |
| 80 | 200 | 160 | 135 | 20 | 8-18 | 310 | 490 |
| 100 | 215 | 180 | 155 | 22 | 8-18 | 350 | 548 |
External and connection dimensions(mm)
| Nominal diameter DN（mm） | AH42F-16C/P type dimension(mm) | Weight (kg) | ||||||||||||||||
| L | L1 | D | D1 | D2 | b | f | Z-Фd | DN' | D' | D1' | D2' | b' | f' | Z-Фd' | H | do | ||
| 25 | 100 | 95 | 115 | 85 | 65 | 14 | 2 | 4-Ф14 | 32 | 140 | 100 | 78 | 16 | 3 | 4-Ф18 | 250 | 15 | 12 |
| 32 | 115 | 100 | 140 | 100 | 78 | 16 | 2 | 4-Ф18 | 40 | 150 | 110 | 85 | 16 | 3 | 4-Ф18 | 280 | 20 | 14 |
| 40 | 120 | 110 | 150 | 110 | 85 | 16 | 3 | 4-Ф18 | 50 | 165 | 125 | 100 | 16 | 3 | 4-Ф18 | 290 | 25 | 16 |
| 50 | 135 | 120 | 165 | 125 | 100 | 16 | 3 | 4-Ф18 | 65 | 185 | 145 | 120 | 18 | 3 | 4-Ф18 | 341 | 32 | 21 |
| 80 | 170 | 135 | 200 | 160 | 135 | 18 | 3 | 8-Ф18 | 100 | 220 | 180 | 155 | 20 | 3 | 8-Ф18 | 470 | 50 | 43 |
| 100 | 205 | 160 | 220 | 180 | 155 | 20 | 3 | 8-Ф18 | 125 | 250 | 210 | 185 | 22 | 3 | 8-Ф18 | 580 | 65 | 65 |
| 150 | 250 | 210 | 285 | 240 | 210 | 24 | 3 | 8-Ф22 | 175 | 315 | 270 | 240 | 26 | 3 | 8-Ф23 | 670 | 100 | 110 |
