此类型专用低温截止阀主要用于低温和深冷介质的管路系统,具有开关灵活、密封可靠的特点。
These low-temperature stopping valves are mainly used in pipelinesystems with low-temperature and deep cold mediums.featured in itsflexible operation and reliable sealing.
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:承插焊
主要零部件名称 Main components name | 材料 Materials | |
阀体/Valve body | ZG0Cr18Ni9 | |
阀瓣/Valve disc | 0Cr18Ni9 | |
阀盖/Valve cover | ZG0Cr18Ni9 | |
阀杆/Valve stem | 0Cr18Ni9 | |
手轮/Hand wheel | Y102 | |
主密封件/Main seal | PCTFE |
型号/Model | 主要外形和连接尺寸/Main form and the connection size (mm) | |||||||
H(开) | H(关) | D | D0 | D1 | D2 | B | L | |
DJF-10D | 211.3 | 205.3 | Ф65 | Ф13 | Ф14.5 | Ф24 | 6 | 60 |
DJF-15D | 256 | 247 | Ф80 | Ф15 | Ф18.5 | Ф29.5 | 6 | 65 |
DJF-20D | 261 | 250 | Ф80 | Ф20 | Ф25.5 | Ф36 | 8 | 80 |
DJF-25D | 291 | 277.5 | Ф100 | Ф25 | Ф32.5 | Ф43.5 | 8 | 90 |
DJF-32D | 301 | 286.5 | Ф100 | Ф32 | Ф38.5 | Ф53 | 8 | 105 |
DJF-40D | 367 | 349.4 | Ф125 | Ф40 | Ф45.5 | Ф62 | 8 | 120 |
DJF-50D | 375 | 354 | Ф140 | Ф50 | Ф57.5 | Ф72 | 10 | 140 |