Rubber Expansion Joints Manufacturers Duckbill Check Valve DN50-DN3000

Rubber Expansion Joints Manufacturers provide a full range of high-quality rubber expansion joints and duckbill check valves from DN50 to DN3000, designed for reliable performance in water supply, wastewater, irrigation, and industrial pipeline systems. Our rubber expansion joints are engineered to absorb vibration, reduce noise, and compensate for thermal movement or misalignment, ensuring long-term protection of pumps and piping equipment. The duckbill check valve offers a simple, maintenance-free solution for backflow prevention, using its flexible rubber “duckbill” outlet to allow forward flow under pressure and instantly seal when flow reverses. With corrosion-resistant elastomers, customizable flange standards, and options for high-pressure and large-diameter applications, we deliver durable, efficient, and cost-effective flow-control solutions for municipal and industrial projects worldwide.

Features & Benefits of duckbill check valve

1. Rubber Expansion Joints Manufacturers is 100% full rubber structure, which can meet various anti-corrosion requirements (different rubber materials can be selected according to the actual demand).
2. Rubber Expansion Joints Manufacturers has no blockage and good sealing.
3. Duckbill check valve expansion joint rubber 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, Rubber Expansion Joints Manufacturers can minimize the head loss.
7. Rubber Expansion Joints Manufacturers can be changed in various installation forms according to the needs of customers.
8. Rubber Expansion Joints Manufacturers 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. Rubber Expansion Joints Manufacturers is factory price

2.17 years of manufacturing experience, 5 years of export experience

3. Rubber Expansion Joints Manufacturers 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. Rubber Expansion Joints Manufacturers 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:What`s the rubber material of Rubber Expansion Joints Manufacturers?

A1: EPDM,CR,NBR,etc .It depends on the working enviroment and media.

Q2: Is the flange galvaized of Rubber Expansion Joints Manufacturers?

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

Q3:Can the Rubber Expansion Joints Manufacturers 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.

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Q4:Can you provide drawings of Rubber Expansion Joints Manufacturers?

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

Jingning is a specialist company in expansion joints for pipe equipment. Since 2004 we stand for values which are typical of a family owned company: the spirit of innovation, reliability, continuity and flexibility in thought and action.We are a reliable supplier to our customers who count on quality engineered and durable products.Choosing JINGNING expansion joints is a sound investment both in terms of performance and total cost of ownership.

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