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.
上海低温介质用DYS-20升压调压阀主要技术参数
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 |
材料 |
|
|
阀体/Valve body |
ZG0Cr18Ni9 |
|
|
阀瓣/Valve disc |
HPb59-1 |
|
|
主密封件/Main seal |
PTFE |
|
|
型号 |
主要外形和连接尺寸 |
公称压力 |
调压范围 |
|
||||
|
H |
H1 |
W1 |
W2 |
M |
(MPa) |
(MPa) |
|
DYS-20 |
239 |
192 |
100 |
Ф133 |
2-Rc¾ |
PN-4.0 |
0.2~0.8 |
|
DYS-20A |
255 |
203 |
100 |
Ф133 |
2-Rc¾ |
PN-4.0 |
0.4~1.6 |
|
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