丹阳朗克气体设备科技有限公司
江苏省丹阳市延陵镇昌国南路
张经理
18361417808
Lancker_Gas
316437530
lkqtsb@139.com
此类型专用低温止回阀适用于低温贮槽、槽车和罐车防止介质倒流，广泛用于LNG、液态乙烯及其它低温介质，具有密封可靠的特点。
This type is special low temperature 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.
主要技术参数 Main technical parameters
公称压力/Nominal pressure:4.0MPa
设计温度/Design temperature:-196℃～+80℃
适用介质/Applicable medium:LNG 、LO2、LN2、LAr
连接方式/Connection method:对焊
| 主要零部件名称 Main components name | 材料 Materials |
| 阀体/Valve body | ZG0Cr18Ni9 |
| 阀瓣/Valve disc | 0Cr18Ni9Ti |
| 主密封件/Main seal | PTFE |
| 型号/Model | 主要外形和连接尺寸/Main form and the connection size (mm) | |||||
| H | L | D0 | D1 | D2 | B | |
| DH-10A | 56 | 60 | Ф13 | Ф13 | Ф17 | 4 |
| DH-15A | 62 | 65 | Ф15 | Ф17.08 | Ф21.3 | 5 |
| DH-20A | 71 | 80 | Ф20 | Ф22.48 | Ф26.7 | 5 |
| DH-25A | 78 | 90 | Ф25 | Ф27.86 | Ф33.4 | 5 |
| DH-40A | 99 | 120 | Ф40 | Ф42.76 | Ф48.3 | 5 |
| DH-50A | 112 | 140 | Ф50 | Ф54.76 | Ф60.3 | 5 |
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