What is the main function of duckbill valve?

What is the main function of duckbill valve?
Duckbill valve, also known as duckbill valve, is a common control valve device, which is usually widely used in industry, machinery, control and other fields. So, what is the main role of the duckbill valve?
 
Duckbill valve is a kind of opening size can switch the valve, its structure is similar to a duck beak, so named duckbill valve. The main role of the duckbill valve is to control the flow, adjust the pressure, change the direction of media flow, etc..
In the industrial field, the duckbill valve is usually used to control the flow of pipeline. For example, in piping systems, duckbill valves can be used to regulate the flow rate of a pipeline to achieve different flow control requirements. In pipelines, the size of the flow rate depends on the length, diameter and density of the medium, so controlling the flow rate by adjusting the size of the duckbill valve can ensure that the medium in the pipeline has a moderate flow rate and maintain the normal operation of the pipeline. Secondly, the duckbill valve can also be used to regulate the pressure of the medium. For example, in the pipeline system, if the media is too high, you can adjust the size of the duckbill valve to reduce the pressure of the media. Similarly, if the medium is too low, you can also increase the pressure of the medium by adjusting the size of the duckbill valve to keep the medium pressure moderate, to ensure the safe operation of the pipeline.
Finally, the duckbill valve can also be used to change the direction of media flow. For example, in pneumatic systems, duckbill valves can be used to change the flow direction of the gas, so as to achieve different control methods. Duckbill valves have a wide range of applications in industry, and their control role is very important. By adjusting the size and position of the duckbill valve, the flow, pressure and flow direction of the medium can be controlled to ensure the normal operation of industrial processes, and also to improve productivity and reduce costs. Therefore, it is important to understand and master the role and operation of duckbill valves for the development of industrial automation.