上海阀天阀门有限公司
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DYS-25P~50系列低温升压调压阀
DYS-25P~50 Low Temperature Pressure Reducing and Adjusting Valve
此类型专用低温降压调节阀主要用于低温储槽、槽车和罐车的降压系统,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
主要零部件名称/Materials of main parts 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: 0Cr18Ni9
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
型号 MODEL |
主要外形和连接尺寸/Main form and the connection size (mm) |
|||||||
H |
L |
D |
M |
L1 |
E |
公称压力(MPa) |
调压范围(MPa) |
|
DYJ-25 |
256 |
272 |
Ф32.5 |
M48*2 |
160 |
10 |
4.0 |
0.2~0.8 |
DYJ-25A |
256 |
272 |
Ф32.5 |
M48*2 |
160 |
10 |
4.0 |
0.4~1.6 |
DYJ-40 |
311 |
308 |
Ф39 |
M56*2 |
204 |
|
4.0 |
0.2~0.8 |
DYJ-50 |
311 |
312 |
Ф49 |
M64*2 |
204 |
|
4.0 |
0.2~0.8 |
此