此類型專用低溫安全閥主要用于低溫介質(zhì)管路安全排放系統(tǒng)，具有開關(guān)靈活、密封可靠的特點(diǎn)。
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.
主要技術(shù)參數(shù) Main technical parameters
公稱壓力/Nominal pressure：4.0MPa
設(shè)計(jì)溫度/Design temperature：-196℃～+80℃
適用介質(zhì)/Applicable medium：LNG 、LO2、LN2、LAr
連接方式/Connection method：螺紋
| 主要零部件名稱 Main components name | 材料 Materials | |
| 閥體/Valve body | ZG0Cr18Ni9 | |
| 彈簧/Spring | 1Cr18Ni9 | |
| 型號(hào)/Model | 主要外形和連接尺寸/Main form and the connection size (mm) | 整定壓力 | 公稱壓力 | ||||||
| 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 | |
標(biāo)簽: 低溫閥門
