Classification
Add：No.93 xianle road, zhujing town, jinshan district, Shanghai
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.
Nominal pressure:4.0MPa
Design temperature:-196℃～+80℃
Applicable medium:LNG 、LO2、LN2、LAr
Connection method:The screw thread
| Main components name | Materials |
| Valve body | ZG0Cr18Ni9 |
| Valve disc | HPb59-1 |
| Main seal | PTFE |
| Model | Main form and the connection size (mm) | Nominal pressure | Scope of pressure adjustment | ||||
| 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 |
