Built-in Safety 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
Built-in safety valves
Applications
NA42F built-in safety valve is mainly used for railway and automotive liquefied petroleum gas tankers or liquefied gas storage tanks on the ground, used for over-pressure safety protection.
Dimensions & constructral diagram
Built-in safety valve constructral diagram
The materials of main parts
| No. | part name | Materials |
| 1 | Disc | Carbon Steel |
| 2 | Sealing ring | PTFE |
| 3 | Body | Carbon Steel |
| 4 | Stem | 1Cr18Ni9Ti |
| 5 | Seat | Carbon Steel |
| 6 | Yoke | Carbon Steel |
External and connection dimensions(mm)
| Nominal diameter DN(mm) | Dimension(mm) | ||||||||
| L | D | D1 | D2 | D0 | b | f | Z-Φd | H ≈ | |
| 50 | 95 | 160 | 125 | 100 | 34 | 20 | 3 | 4-18 | 376 |
| 80 | 99 | 225 | 190 | 149 | 52 | 25 | 4.5 | 8-22 | 512 |
