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.
主要技術(shù)參數(shù) Main technical parameters
公稱壓力/Nominal pressure：4.0MPa
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 | HPb59-1 |
| 主密封件/Main seal | PTFE |
| 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 | 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 |
標(biāo)簽: 低溫閥門
