Flange Type Sewage Rubber Duckbill Check Valve Clamp Connected Bellows Piping

A Flange Type Sewage Rubber Duckbill Check Valve with Clamp-Connected Bellows Piping is a robust, maintenance-free backflow prevention solution designed for sewage, drainage, and industrial wastewater systems. The flange-end duckbill check valve allows forward flow with minimal pressure and automatically seals when reverse pressure occurs, ensuring reliable one-way operation. Integrated with a clamp-connected rubber bellows section, the unit effectively absorbs vibration, reduces noise, and compensates for thermal expansion, misalignment, and pipe movement. This combined structure offers excellent corrosion resistance, long service life, and easy installation, making it ideal for municipal engineering, treatment plants, pump stations, and harsh fluid-handling environments where flexibility and reliable backflow control are essential.

Features & Benefits of duckbill check valve

1. Bellows Piping is 100% full rubber structure, which can meet various anti-corrosion requirements (different rubber materials can be selected according to the actual demand).
2. Bellows Piping has no blockage and good sealing.
3. Bellows Piping has long service life, no fault and maintenance free.
4. The duckbill check valve expansion joint rubberhas no moving parts and mechanical parts, no electric signal and manual operation, no noise.
5. When the opening pressure of duckbill check valve is small, the valve with water head more than 0.01M can be opened.
6. In general, the duckbill check valve xpansion joint rubbercan minimize the head loss.
7. Bellows Piping can be changed in various installation forms according to the needs of customers.
8. Bellows Piping has the advantages of convenient installation, low cost and low operation cost.

Technical data of duckbill check valve

Note: for duckbill check valve, if there are other standard requirements or special flange needs to be customized, please provide written drawings, standards and information, we can customize duckbill check valve for you.

Duckbill check valve advantages

1. Bellows Piping is factory price

2.17 years of manufacturing experience, 5 years of export experience

3. Duckbill check valve has strict quality inspection, and the quality is far beyond the industry standard.

4. Various specifications of duckbill check valve mould support customization and OEM

5. Provide free samples of duckbill check valve

6. Bellows Piping has large inventory

Duckbill check valve application

Because the main feature of the duckbill check valve is that the flange and the duckbill check valve are integrated, the installation is very convenient. The duckbill check valve adopts all rubber design, which will not cause blockage and jamming, reduce the maintenance cost and make the solid particles pass through smoothly. So the main application scope of duckbill check valve is: for waterproof system, drainage system, pump outlet, lifting pump station, submerged aeration system.

Our Services

1.24-hour online

2.Free samples provided

3.Support customization

4.Provide drawings

5.Multiple payment styles to choose from

6.Factory inspection (material, specifications, quantity, pressure, packaging)

7.Long warranty period

8.Suitable packaging for transportation

FAQ

Q1:Can we get a sample of Bellows Piping?

A1:Yes,we could provide samples for you to test the quality of our duckbill check valve.

Q2: Is the flange galvaized of Bellows Piping?

A2: Yes,we have electronic galvanized and hot dip galvanized flanges.We also have painted flanges.

Q3:Can the Bellows Piping be marked with customized logo?

A3:Yes,the duckbill check valve can be marked with your logo. We could provide OEM&ODM service for duckbill check valve.

​

Q4:Can you provide drawings of Bellows Piping?

A4:Yes,we could provide drawings of duckbill check valve for you.Please contact us to get the drawing of duckbill check valve.

Q5:Can we get a sample of Bellows Piping?

A5:Yes,we could provide samples for you to test the quality of our duckbill check valve.