| 详细介绍：
上海江霞阀门供应DH-10P低温止回阀、DH-15P低温止回阀、DH-20P低温止回阀、DH-25P低温止回阀、DH-32P低温止回阀、DH-40P低温止回阀、DH-50P低温止回阀、DH-65P低温止回阀、DH-80P低温止回阀、DH-100P低温止回阀。此类型专用低温升降式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 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.
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:插焊
公称通径/Nominal diameter:10mm～50mm
|
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-10P
|
56
|
60
|
Ф13
|
Ф14.5
|
Ф24
|
6
|
|
DH-15P
|
62
|
65
|
Ф15
|
Ф18.5
|
Ф29.5
|
6
|
|
DH-20P
|
71
|
80
|
Ф20
|
Ф25.5
|
Ф36
|
8
|
|
DH-25P
|
78
|
90
|
Ф25
|
Ф32.5
|
Ф43.5
|
8
|
|
DH-32P
|
90
|
105
|
Ф32
|
Ф38.5
|
Ф53
|
8
|
|
DH-40P
|
99
|
120
|
Ф40
|
Ф45.5
|
Ф62
|
8
|
|
DH-50P
|
112
|
140
|
Ф50
|
Ф57.5
|
Ф72
|
10
|
  
| 
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