The duckbill check valve is a popular type of check valve

A duckbill check valve is a check valve that is generally made of synthetic elastomer or rubber and has two flaps that resemble a duck’s beak. They are used in many medical applications to prevent backflow and contamination of fluids. If you’re wondering what a duckbill check valve is, keep reading to learn more about this type of valve.


The duckbill check valve is a popular type of check valve that is widely used in reservoirs, coastal areas, and sewage applications. It replaces the flapper style that is easily obstructed by mud, silt, rocks, vegetation, and marine life. Moreover, it allows maximum flow and minimal pressure drop across the valve.

Several advantages of rubber duckbill check valves include their high reliability and low cost. These valves are fully passive flow devices and require little or no maintenance. ThisĀ site here makes them a great alternative to conventional flap gate valves.


The diaphragm of a duckbill check valve is a flexible rubber component that flexes when inlet pressure increases. As the inlet pressure decreases, the diaphragm closes, and the valve is normally closed. However, there are situations in which the inlet pressure is too high, causing the diaphragm to flex and fail to close properly.

A duckbill check valve can be a single or dual-inlet valve. The diaphragm of a duckbill check valve is held in place by an intake manifold. The intake manifold can be single or dual inlet, and the valves can be interchanged.


A duckbill check valve is a type of valve that opens in the shape of a circular pipe when the full flow rate passes through. Once the flow stops, the valve closes. This type of valve does not require maintenance or cleaning and is highly versatile. The only thing you need to keep in mind when using a duckbill check valve is the proper position of the outlet.

The Duckbill check valve is an inline check valve that can be fitted to several different types of pipes. These check valves are available in three main configurations, the slip on design which fits over a plain ended pipe with a stainless steel clamp and the flanged one, which fits inside the pipe. The duckbill check valve ball is made of a rubber elastomer that is durable and flexible, and it can withstand up to 15 meters of back pressure.


The Duckbill check valve is a type of check valve that seals a fluid. It is available in a variety of sizes and materials. It is used in many different applications, from hydraulic systems to air and gas applications. A flexible check valve is available in an elastomer design that gives it corrosion resistance. It can be used in temperatures from -65 to 250 degrees Fahrenheit.

The flexible rubber diaphragm in a duckbill check valve creates a valve that is normally closed, except for when the valve is opened by positive pressure. This ensures that the fluid cannot flow backwards through the valve.


Designed to prevent unwanted backflow from storm drains, the Tideflex Duckbill Check Valve is a highly efficient backflow prevention device. Its flexible design compresses around trapped solids, offering a better seal than flapgates. This ensures low-pressure backflow prevention while minimizing maintenance.

Its innovative design makes it ideal for a wide variety of applications. Its unique geometry and construction allow it to withstand the weight of high-volume water discharge from large-diameter pipes. This is especially beneficial in applications with limited space.