Anti-reflux weather resistant flexible EPDM rubber drainage one-way duckbill check valve

Product Introduction

First, structural characteristics

Flanged rubber duckbill valve is mainly composed of valve body, valve seat, valve disc, flange and other components.

The valve body is usually made of materials such as cast iron, cast steel, or stainless steel, which has good corrosion resistance and mechanical strength.

The seat and disc are made of high-quality rubber material with good elasticity and wear resistance. The flange connection of the valve is usually in the form of clamp type or flat welded type, which is convenient for quick connection and disassembly with the pipeline.

Second, the working principle

When the fluid passes through the valve, the disc automatically opens under the action of fluid pressure, allowing the fluid to pass smoothly.

When the fluid stops flowing, the disc automatically closes under its own gravity and the pressure in the pipe, preventing the fluid from backing up or leaking.

Because the valve disc is made of rubber material, it has a certain elasticity, so the valve has a good cushioning effect in the process of opening and closing, which reduces the impact and vibration of the fluid on the pipeline.

Third, the field of application

Flanged rubber duckbill valves are suitable for various fluid media, such as water, sewage, air, steam, etc. It is widely used in the pipeline system of construction, environmental protection, chemical, food and other industries to control the flow, pressure and direction of fluids. Especially in the field of sewage treatment and discharge, the valve is widely used due to its good sealing and corrosion resistance.

Fourth, installation and maintenance

When installing a flanged rubber duckbill valve, make sure that the connection between the valve and the pipe is clean, dry and free of oil. The flange joint should be tightened with suitable sealing gaskets and bolts to ensure a firm and reliable connection.

During the use of the valve, the opening and closing status of the valve should be checked regularly to ensure that it is working properly. At the same time, it is necessary to regularly clean the debris and dirt in the valves and pipes to keep the fluid clean and unblocked.

In short, as an efficient and reliable fluid control equipment, flanged rubber duckbill valve has been widely used in various fields.

Main connection size

Packaging display

FAQ

Q: Is the flange galvanized?

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

Q: What is the minimum order quantity?

A: 1 piece, you can also use it as a sample to test the quality of our product, and then you can order from us.

Q: Can I customize the logo?

A: Yes, we can provide OEM and ODM services for you.

Q: Can you provide drawings?

A: Yes, we can provide you with the drawings of the duckbill check valve. Please contact us to obtain the drawings of the duckbill check valve.

Q: What is rubber material?

A: EPDM, CR, NBR, etc. This depends on the work environment and media.

Q: Can we get the sample?

A: Yes, we can provide you with samples to test the quality of our products.