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此類型專用低溫升壓調(diào)節(jié)閥主要用于低溫儲(chǔ)槽、槽車和罐車的升壓系統(tǒng)，廣泛用于LNG、液態(tài)乙烯及其它低溫介質(zhì)，具有密封可靠、動(dòng)作靈敏、壓力穩(wěn)定可靠和防靜電的特點(diǎn)。
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.
公稱壓力/Nominal pressure:2.5MPa
設(shè)計(jì)溫度/Design temperature:-196℃～+80℃
適用介質(zhì)/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 | 0Cr18Ni9Ti |
| 主密封件/Main seal | PTFE或PCTFE |
| 調(diào)節(jié)螺桿/Valve stem | OCr18Ni9 |
| 型號(hào) Model | 主要外形和連接尺寸 Main form and the connection size (mm) | 公稱壓力 Nominal pressure | 調(diào)壓范圍 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 |
