Product Role
1. Prevent sewage and flood backflow: Duckbill valves are widely used in sewage treatment and discharge systems, which can prevent sewage and flood backflow into street sewers and basements to avoid major losses. Especially during the rainy season, it effectively prevents flooding from sewers into city streets.
2. Prevent odor from returning: The duckbill valve can prevent the odor diffusion of sewage or odorous fluids, and meet the water (gas) sealing requirements of indoor drainage ditches and outdoor drainage pipes.
3. Adapt to a variety of installation forms: Duckbill valves can be changed to meet the different needs of customers, and the installation is convenient, the cost is low, and the operating cost is small.
4. Long service life, no failure, maintenance-free: Duckbill valve has no moving parts and mechanical parts, no electrical signal and manual operation, no noise, long service life, no failure, maintenance-free.
5. Small opening pressure and small head loss: The duckbill valve can be opened at a water head greater than 0.01 meters, and the head loss can be reduced to a very small extent.
Installation method
1. Choose the right size and material: Choose the right duckbill valve size and material according to the application needs, considering factors such as the type of fluid, pressure and temperature.
2. Clean and prepare the pipes: Make sure the pipes are clean and free of impurities or contaminants before installation, you can use a soft brush or cloth to remove the dirt, and if necessary, use lubricant to help the valve slide into position.
3. Install the valve correctly: Slide the valve to the end of the pipe, make sure the “ duckbill ” is facing the flow direction, and gently slide in to avoid forcing or damaging the valve.
4. Sealing treatment: Add a clamp to fix the valve as needed to ensure that the clamp is tight but not to damage the valve or pipeline.
5. Test for leaks: Test for leaks after installation, make sure it is working properly by running water or air through the pipes and checking for signs of backflow or leakage.
Main connection size
| Model | Pipe Nominal Diameter | Length(mm) | High(mm) | Flange outside diameter |
| XH8150-125-X | 50 | 125 | 47 | 150 |
| XH8180-175-X | 80 | 175 | 72 | 200 |
| XH81100-225-X | 100 | 225 | 97 | 225 |
| XH81150-350-X | 150 | 350 | 147 | 275 |
| XH81200-375-X | 200 | 375 | 197 | 338 |
| XH81250-475-X | 250 | 475 | 247 | 400 |
| XH81300-560-X | 300 | 560 | 297 | 485 |
| XH81350-625-X | 350 | 625 | 344 | 525 |
| XH81400-700-X | 400 | 700 | 394 | 588 |
| XH81450-780-X | 450 | 780 | 444 | 625 |
| XH81500-880-X | 500 | 880 | 494 | 688 |
| XH81600-1000-X | 600 | 1000 | 494 | 800 |
| XH81700-1000-X | 700 | 1000 | 694 | 969 |
| XH81800-1260-X | 800 | 1260 | 794 | 1080 |
| XH81900-1400-X | 900 | 1400 | 894 | 1150 |
| XH811000-1520-X | 1000 | 1520 | 988 | 1250 |
| XH811200-1725-X | 1200 | 1725 | 1188 | 1485 |
FAQ
Q: Can I visit your factory before the order?
A: Yes, welcome to our factory to check the quality.
Q: Have your products been exported?
A: Yes, they have been exported to USA, France, Bahrain, Australia, Malaysia, Norway, Finland, Peru, Chile, Brazil, Uruguay, Russia, UAE, Saudi Arabia, Oman, Egypt, Serbia, Vietnam, South Korea, Indonisia, India, Thailand, Pakistan, Philippines, Singapore etc.
Q: What is Duckbill Check Valve?
A: Duckbill check valves are unique, one-piece, elastomeric components that act as backflow prevention devices or one-way valves or check valves.
Q: What are our rubber materials?
A: There are natural rubber, butyl rubber, nitrile rubber, EPDM rubber, neoprene, fluorine rubber,and so on.
Q: What are the components of a duckbill valve?
A: The composition of the duckbill valve mainly consists of elastic neoprene and man-made fibers.
Q: How do you guarantee the quality or warranty?
A: If there is a quality problem during use, so the product can be returned or returned according to the consumer's request.
Product Tags:
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EPDM Backflow Resistant Rubber Duckbill Valve for Drainage and Blowdown Images
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