PRODUCTS
SHOW
H71H/W double-clip lifting check valve is composed of valve body, disc, spring and so on. It is installed horizontally or vertically in pipeline system to prevent medium backflow with short structure, small volume and light weight. The disc closes quickly and the water hammer pressure is small. The flow passage is smooth and the fluid resistance is small.
Technical Specifications：
|
Type |
PN(MPa) |
PS(MPa) |
Working temperature (℃) |
Suitable medium |
|
|
Body |
Sealing |
||||
|
H71W-16P |
1.6 |
2.4 |
1.76 |
≤200 |
Water, steam, oil, etc |
|
H71H-25Q |
2.5 |
3.75 |
2.75 |
≤235 |
|
|
H71W-25H |
≤300 |
||||
|
H71W-25P |
≤200 |
Nitric acid and other corrosive media |
|||
|
H71W-40H |
4.0 |
6.0 |
4.4 |
≤300 |
Water, steam, oil, etc |
|
H71W-40P |
≤200 |
Nitric acid and other corrosive media |
|||
|
Specifications Model |
Body |
Disc |
Spring |
|
H71W-25H、RH71W-40H |
2Cr13 |
1Cr13 |
1Cr18 Ni9Ti |
|
H71W-16P、RH71W-25P |
ZG1Cr18 Ni9Ti |
1Cr18 Ni9Ti |
1Cr18 Ni9Ti |
Dimensions:
|
PN
|
DN |
Size（mm） |
|||||
|
L |
D1 |
D2 |
D3 |
D4 |
D5 |
||
|
PN1.0MPa
|
15 |
16 |
52 |
15 |
24 |
31 |
40 |
|
20 |
19 |
62 |
19 |
30 |
40 |
50 |
|
|
25 |
22 |
72 |
24 |
35 |
47 |
58 |
|
|
32 |
28 |
83 |
31 |
46 |
56 |
68 |
|
|
40 |
31.5 |
93 |
39 |
55 |
66 |
78 |
|
|
50 |
40 |
108 |
48 |
65 |
78 |
90 |
|
|
65 |
46 |
128 |
62 |
80 |
95 |
110 |
|
|
80 |
50 |
142 |
76 |
96 |
110 |
128 |
|
|
100 |
60 |
162 |
95 |
115 |
132 |
150 |
|
|
125 |
90 |
192 |
110 |
125 |
135 |
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|
