Dual Plate Check Valve
Purpose
This valve is used to prevent the medium in the pipeline from backflow and features a small volume.
Features
A simple structure, reliable performance, easy installation and repair. The disc uses a torsion spring for resetting, has water harmer preventing function and can be mounted on horizontal and vertical pipelines.
Main Performance Parameters
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|
mm |
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|
1.0 |
1.6 |
1.5 |
MPa |
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|
1.5 |
2.4 |
3.75 |
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|
1.1 |
1.76 |
2.75 |
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0.6 |
0.6 |
0.6 |
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Executive Standard
- Structural length:: GB/T 12221.
- Test and inspection: GB/T 13927.
Main Part Materials
|
Model |
Body |
Disc |
Stem |
Spring |
Seal ring |
Suitable temperature |
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|
H76X |
Cast iron |
Cast iron |
Stainless steel |
Stainless steel |
Rubber |
≤100°C |
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|
H76X |
Cast steel |
Cast steel |
Stainless Steel |
Stainless Steel |
Alloy steel |
425°C |
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|
H76W |
Stainless steel |
Stainless steel |
Stainless steel |
Stainless steel |
Stainless steel |
425°C |
Main dimensions
|
DN |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
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|
L |
33 |
43 |
46 |
64 |
64 |
70 |
76 |
89 |
114 |
114 |
127 |
140 |
152 |
152 |
178 |
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|
D |
55 |
65 |
80 |
95 |
117 |
141 |
168 |
219 |
273 |
324 |
356 |
418 |
467 |
526 |
626 |
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