DYS-20(20A)系列低溫升壓調壓閥
DYS-20(20A)系列低溫升壓調壓閥 DYJ-20(20A) Low Cryogenic pressure regulating valve

此類型專用低溫升壓調節閥主要用于低溫儲槽、槽車和罐車的升壓系統,廣泛用于LNG、液態乙烯及其它低溫介質,具有密封可靠、動作靈敏、壓力穩定可靠和防靜電的特點。
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.
主要技術參數 Main technical parameters
公稱壓力/Nominal pressure:4.0MPa
設計溫度/Design temperature:-196℃~+80℃
適用介質/Applicable medium:LNG 、LO2、LN2、LAr
連接方式/Connection method:螺紋
主要零部件名稱 Main components name | 材料 Materials |
閥體/Valve body | ZG0Cr18Ni9 |
閥瓣/Valve disc | HPb59-1 |
主密封件/Main seal | PTFE |
型號 Model | 主要外形和連接尺寸 Main form and the connection size (mm) | 公稱壓力 Nominal pressure | 調壓范圍 Scope of pressure adjustment |
| H | H1 | W1 | W2 | M | (MPa) | (MPa) |
DYS-20 | 239 | 192 | 100 | Ф133 | 2-Rc? | PN-4.0 | 0.2~0.8 |
DYS-20A | 255 | 203 | 100 | Ф133 | 2-Rc? | PN-4.0 | 0.4~1.6 |