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Butterfly double valve check valve
Butterfly double valve check valve
Product details
application
H76H, H76Y, H76W, H76X, H76F butterfly check valves are used in pure pipelines and industrial, environmental protection, water treatment, high-rise building water supply and drainage pipelines to prevent the reverse flow of media.
Product Features
1. Small size, light weight, compact structure, easy maintenance
2. The valve plate adopts a dual type, which can self quickly close under the elastic force of the spring and torque
3. Due to the quick closing effect, it can prevent the backflow of the medium
4. The length and size of the valve body structure are small, and it has good rigidity
5. Safe and convenient, can be installed in both horizontal and vertical directions
Execution standards
1. Flange connection size: GB/T1724.1-98
2. Structural length: GB/T12221-1989, ISO5752-82
performance parameter
|
model |
Work pressure (MPa) |
Applicable temperature (℃) |
Applicable Medium |
Material |
|
H76H-10C～40 |
1.0～4.0 |
－29～425 |
Water, steam, oil products |
carbon steel |
|
H76W-10P～25 |
1.0～2.5 |
≤150 |
Nitric Acid |
stainless steel |
|
H76Y-40P |
4 |
≤150 |
Nitric Acid |
stainless steel |
Main appearance and connection dimensions of HH47, H47XF, HDH47X butterfly buffer check valves
|
Nominal diameter DN (mm) |
Size (mm) |
||
|
L |
H |
D |
|
|
200 |
230 |
550 |
600 |
|
250 |
250 |
630 |
700 |
|
300 |
270 |
690 |
740 |
|
350 |
290 |
780 |
800 |
|
400 |
310 |
860 |
870 |
|
450 |
330 |
910 |
920 |
|
500 |
350 |
980 |
1000 |
|
600 |
390 |
1070 |
1250 |
|
700 |
430 |
1220 |
1360 |
|
800 |
470 |
1320 |
1480 |
|
900 |
510 |
1430 |
1580 |
|
1000 |
550 |
1550 |
1700 |
|
1200 |
630 |
1800 |
1950 |
|
1400 |
710 |
1980 |
2175 |
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