1、 Clamp lift check valve Structure and dimensions
The clamp lift check valve consists of a valve body, valve disc, spring, etc. It is installed horizontally or vertically in the pipeline system to prevent medium backflow. It has a short structure, small volume, and light weight; The valve disc closes quickly and the water hammer pressure is low; Smooth flow channel with low fluid resistance; Quick action and good sealing performance.
2、 Clamp lift check valve Main technical parameters
model |
Nominal Diameter |
Test pressure |
Operating Temperature |
Applicable Temperature |
|
housing |
seal |
||||
H71H-16Q |
1.6 |
2.4 |
1.76 |
≤235℃ |
Water, steam, oil, etc |
H71H-25Q |
2.5 |
3.75 |
2.75 |
≤235℃ |
|
H71W-25H |
≤300℃ |
||||
H71W-25P |
≤200℃ |
Corrosive media such as nitric acid |
|||
H71W-40H |
4.0 |
6.0 |
4.4 |
≤300℃ |
|
H71W-40P |
≤200℃ |
Water and steam |
|||
3、 Clamp lift check valve Main component materials
model |
valve |
valve disc |
spring |
H71H-16Q H71H-25Q |
QT400-15 |
25 |
50CrVA |
H71W-25H H71W-40H |
2Cr13 |
1Cr13 |
1Cr18Ni9 |
H71W-25P H71W-40P |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
4、 Clamp lift check valve Main external dimensions
Nominal Diameter |
L |
D |
Nominal Diameter |
L |
D |
||||
1.6 |
2.5 |
4.0 |
1.6 |
2.5 |
4.0 |
||||
15 |
25 |
48 |
48 |
48 |
80 |
71 |
140 |
140 |
140 |
20 |
31.5 |
58 |
58 |
58 |
100 |
80 |
160 |
165 |
165 |
25 |
35.5 |
68 |
68 |
68 |
125 |
110 |
190 |
195 |
195 |
32 |
40 |
80 |
80 |
870 |
150 |
125 |
215 |
225 |
225 |
40 |
45 |
90 |
90 |
90 |
200 |
160 |
270 |
285 |
390 |
50 |
56 |
105 |
105 |
105 |
250 |
200 |
330 |
340 |
350 |
65 |
63 |
125 |
125 |
125 |
300 |
250 |
385 |
400 |
415 |
Flange connection size: Iron valve according toGB4216.4(5)-84standard,Steel valves according toGB/T9113.1-2000Standard.
