低温调压阀

此类型**低温升压调节阀主要用于低温储槽、槽车和罐车的升压系统，广泛用于LNG、液态乙烯及其它低温介质，具有密封可靠、动作灵敏、压力稳定可靠和防静电的特点。

This type is special low-temperature step-down regulator is mainly used for low temperature storage tank, tank car and tank car step-down system, widely used in LNG, ethylene and other low temperature liquid medium, with reliable sealing, action quick, the characteristics of the pressure is stable and reliable, and anti-static.

主要技术参数

Main technical parameters

公称压力/Nominal pressure:2.5MPa

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
阀瓣/Valve disc	0Cr18Ni9Ti
主密封件/Main seal	PTFE或PCTFE
调节螺杆/Valve stem	OCr18Ni9
型号
Model	主要外形和连接尺寸
Main form and the connection size (mm)	公称压力
Nominal pressure	调压范围
Scope of pressure adjustment
H	H1	D	B	（MPa）	（MPa）
DYS-25P	256	272	Ф32.5	10	2.5	0.2~0.8
DYS-25P/A1	256	272	Ф32.5	10	2.5	1.2~3.0
DYS-25P/A2	256	272	Ф32.5	10	2.5	0.8~1.6