What is duckbill check valve advantages and disadvantages?
Duckbill valve, also known as rubber drain check valve. Especially in rainy seasons, the use of duckbill valves can effectively prevent flooding, sewage and other backflow, and also drainage can be carried out at any time. Also, its main performance is to prevent the invasion of seawater and sediment.
What else do you know about duckbill valves? How does the duckbill valve work? What are the advantages and disadvantages of the duckbill valve? The following is a detailed description of the duckbill valve, so you can learn more about it before you buy and use it.
Brief introduction of duckbill check valve
Duckbill valve is commonly known as rubber drain check valve, also known as back pressure flexible check valve, duckbill valve check valve, rubber check valve, rubber check valve, rubber slow closing check valve, etc.
The duckbill valve is divided into sleeve type, inlay type, built-in type, flange type, mounting plate type, mortar or cement pipe type according to the installation method.
Duckbill valve can be given to straight pipe, flange pipe, cement pipe and glass fiber reinforced plastic pipe. It is widely used in coast, beach, dock, reservoir, municipal flooding and sewage, which can be called environmental green valve. It can replace the clapper gate and gate, and completely solve the problem that the clapper gate is easily blocked by mud, silt, stone, vegetation and marine life.
Why use a duckbill check valve？
Rubber duckbill valve can prevent flooding and sewage backing up into street sewers and basements to avoid major losses.
- It prevents flood water from backing up into sewage treatment plants and drainage pumping stations when the water level rises.
- It stops the spread of odor from sewage or odorous fluids and allows drainage at any time.
- In rainy seasons, it can stop flood water from city inland rivers from sewers to the streets; the quality is better than that of the flapper door and overcomes some defects such as poor closing of the flapper door.
Advantages of duckbill check valve
Duckbill valve is low cost, if the use of suitable rubber material life exceeds the metal check valve, easy to install, flexible and diverse installation methods, can be repaired.
- Maintain high jet velocity.
- Prevent seawater and sediment intrusion is one of the main performance of the duckbill valve.
- Facilitate discharge pipe flushing.
- Higher dilution can be obtained under certain conditions.
- No corrosion.
Disadvantages of duckbill check valve
The rubber body is not suitable for long-term open-air operation in the field, and the aging phenomenon cannot be avoided by using high-quality rubber.
- Increase the project cost.
- Increase diffuser head loss.
Conclusion
Overall, duckbill valve is both environmentally friendly, maintenance-free, and easy and flexible to install. It replaces flapper doors and gates and solves the problem of their being easily blocked by sediment, vegetation, organisms, etc. It is widely used, especially in the coast, beaches, docks, sewage equipment and other common use. The duckbill valve is really a good invention, and it is worth advocating its use. Of course, everything has its pros and cons aspects, duckbill valve deficiencies are also there, we just need to use properly, in fact, can serve us very well.
FOCALVALVE is a leading check valve manufacturer and supplier designing cost effective check valves。 If you want to get the quote of our duckbill check valves, you can contact our experts directly.
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Jack
Hi, I’m the author of this post, and I have been in this field for more than 10 years. If you want to get more info about duckbill check valves or others industrial valves, feel free to ask me any questions.
