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此類型專用低溫升降式止回閥適用于低溫貯槽、槽車和罐車防止介質倒流，廣泛用于LNG、液態(tài)乙烯及其它低溫介質，具有密封可靠的特點。
This type is special low temperature lift check valve is suitable for low temperature storage tank, tank car and tank car to prevent the reverse medium, is widely used in LNG, ethylene and other low temperature liquid medium, has the characteristics of the sealing is reliable.
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:插焊
公稱通徑/Nominal diameter:10mm～50mm
| 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 |
| 型號/Model | 主要外形和連接尺寸/Main form and the connection size (mm) | 重量（kg） | |||||
| H | L | D0 | D1 | D2 | B | Weight | |
| DH-10P | 56 | 60 | Ф13 | Ф14.5 | Ф24 | 6 | |
| DH-15P | 62 | 65 | Ф15 | Ф18.5 | Ф29.5 | 6 | 0.7 |
| DH-20P | 71 | 80 | Ф20 | Ф25.5 | Ф36 | 8 | |
| DH-25P | 78 | 90 | Ф25 | Ф32.5 | Ф43.5 | 8 | 1.4 |
| DH-32P | 90 | 105 | Ф32 | Ф38.5 | Ф53 | 8 | |
| DH-40P | 99 | 120 | Ф40 | Ф45.5 | Ф62 | 8 | 2.86 |
| DH-50P | 112 | 140 | Ф50 | Ф57.5 | Ф72 | 10 | 4.35 |
地 址：上海市金山區(qū)朱涇鎮(zhèn)仙樂路93號