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Help CenterHigh Class Rubber Duckbill Valve
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Specifications
Rubber Duckbill Valve:1,Manufacturer/OEM
2,Two ISO System Certification
3,Competitive Large Factory
Rubber Duckbill Valve:
Specifications:
A duckbill valve is a valve, manufactured from rubber or synthetic elastomer, and shaped like the beak of a duck. It is commonly used in medical applications to prevent contamination due to backflow.
One end of the valve is stretched over the outlet of a supply line, conforming itself to the shape of the line, usually round. The other end, the duckbill, retains its natural flattened shape. When a fluid is pumped through the supply line and therefore the duckbill, the flattened end opens to permit the pressurized fluid to pass. When pressure is removed, however, the duckbill end returns to its flattened shape, preventing backflow.
The duckbill valve is similar in function to the mitral valve in the heart.
A trifold form of this valve, known as a joker valve, is used in one popular marine toilet.
main dimensions:
matdhing pipeline DN |
valve step(A) |
pipeline touching (B) |
matdhing pipeline |
valve step(A) |
pipeline touching (B) |
|
1/2"~3/4" |
15 |
15 |
10" |
50 |
50 |
|
1"~1/4" |
20 |
20 |
12"~14" |
100 |
100 |
|
1-1/2~2-1/2 |
25 |
25 |
16"~20" |
150 |
150 |
|
3" |
40 |
40 |
24"~36" |
200 |
200 |
|
4" |
50 |
50 |
42" |
250 |
250 |
|
6" |
50 |
50 |
48"~60" |
300 |
300 |
|
8" |
50 |
50 |
72" |
400 |
400 |
Application area:
We are exporters to over 60 countries, and industries supplied including :
Petrochemical & Pharmaceutical
Food & Agriculture
Combustion
Paper & Pulp
Heating & Ventilation, Air Conditioning & Refrigeration
Construction, Iron & Steel
Nuclear & Power Generation
Water & Sewage
Marine, Automotive & Defence
Using Effect:
Approval:
We have passed ISO9001:2000 and ISO14001:2004 Two system certifications.
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