previous：da25 low temperature relief valve
classification
add：no.93 xianle road, zhujing town, jinshan district, shanghai
these low-temperature stopping valves are mainly used in pipeline systems with low-temperature and deep cold mediums.featured in its flexible operation and reliable sealing.
nominal pressure:4.0mpa
design temperature:-196℃～ 80℃
applicable medium:lng 、lo2、ln2、lar
connection method:the screw thread
| main components name | materials | |
| valve body | zg0cr18ni9 | |
| spring | 1cr18ni9 | |
| model | main form and the connection size (mm) | setting pressure | nominal pressure | ||||||
| h | h1 | m | m1 | l | 0 | （mpa） | （mpa） | ||
| dah-25b | 194 | 70.5 | g11/4 | m36*2 | 47 | ф14 | 2.8~3.5 | 4.0 | |
| dah-25b1 | 194 | 70.5 | g11/4 | m36*2 | 47 | ф14 | 2.0~2.75 | 4.0 | |