此类型**低温安全阀主要用于低温介质管路安全排放系统,具有开关灵活、密封可靠的特点。 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. 主要技术参数 Main technical parameters 公称压力/Nominal pressure:4.0MPa 设计温度/Design temperature:-196℃~+80℃ 适用介质/Applicable medium:LNG 、LO2、LN2、LAr 连接方式/Connection method:螺纹 主要零部件名称 Main components name 材料 Materials 阀体/Valve body ZG0Cr18Ni9 弹簧/Spring 1Cr18Ni9 型号/Model 主要外形和连接尺寸/Main form and the connection size (mm) 整定压力 公称压力 H H1 M M1 L D0 (MPa) (MPa) DAH-25 197 69 G11/4 M36*2 47 Ф25 0.88 4.0 DAH-25A1 197 69 G11/4 M36*2 47 Ф25 1.76 4.0