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¥ 2600.00 ~ ¥ 12800.00
1套起订
产品规格
可售数量： 6200套
此类型专用低温紧急切断阀适用于低温贮槽上切断流通介质，特别是在出现火情故障时能及时切断介质。广泛用于LNG、液态乙烯及其它低温介质，具有体积小、重量轻、密封可靠、紧急切断迅速可靠和防静电的特点。
This type is special emergency cut-off valve is suitable for low temperature storage tank at low temperature on cut off circulation medium, especially in the event of a fire failure can promptly cut off the medium. Widely used in LNG, ethylene and other low temperature liquid medium, has small volume, light weight, reliable sealing, reliable emergency stop quickly and anti-static characteristics.
主要技术参数
Main technical parameters
公称压力/Nominal pressure:4.0MPa
设计温度/Design temperature:-196+70
适用介质/Applicable medium:LNG 、LO2、LN2、LAr 连接方式/Connection method:插焊 公称通径/Nominal diameter:25mm50mm 强度试验压力/Strength test pressure：4.0MPa 气密性试验压力/Air tightness test pressure:1.6MPa 方向密封试验压力/direction of seal test pressure:0.4MPa 气缸气源压力/Air pressure cylinder:0.40.6MPa 紧急切断温度/Emergency cut-off temperature:+70
紧急切断时间/Emergency cut-off time:<2秒
主要零部件名称
Main components name材料
Materials
阀体/Valve body
ZG0Cr18Ni9
阀瓣/Valve disc
0Cr18Ni9Ti
阀盖/Valve cover
ZG0Cr18Ni9
阀杆/Valve stem
0Cr18Ni9
主密封件/Main seal
PTFE或PCTFE
气缸/cylinder
铸铝
支架/stents
铸铝
型号/Model
主要外形和连接尺寸 Main form and the connection size (mm)
重量 Weight
H
H1
D0
D1
D
B
W1
W2
M
（kg）
DJQ-20P
189
478
Ф20
Ф25.5
Ф100
8
80
Ф130
Rc¼
7.2
DJQ-25P
240
530
Ф25
Ф32.5
Ф100
8
90
Ф130
Rc¼
7.7
DJQ-32P
250
489
Ф32
Ф38.5
Ф100
8
105
Ф130
Rc¼
7.3
DJQ-40P
227
567
Ф40
Ф45.5
Ф125
8
120
Ф160
Rc¼
13.2
DJQ-50P
230
570
Ф50
Ф57.5
Ф125
10
140
Ф160
Rc¼
14.5
上海竟一低温紧急切断阀
¥ 2600.00 ~ ¥ 12800.00
¥2600.00
6200套可售
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