What is duckbill valve?
The duckbill is a monolithic, elastomeric, precisely molded valve.Duckbill valves are widely used in the industry to reliably prevent backflow in low-pressure differential working environments.
Function:The duckbill valve can allow the fluid to pass freely when the pressure difference is positive, and the duckbill valve can prevent the backflow when the pressure difference is negative. The anti-reverse effect of duckbill valve is better than umbrella valve.
What are the main applications of duckbill valves?
Applications in automotive industry : Fuel system, engine fuel injection control components, lubricating oil system, wiper, harmful gas recovery system, brake system, variable speed transmission, etc. Pharmaceuticals: Diagnostic instrument, respiratory system, intravenous syringe, disposable medical equipment, etc. Equipment :Household appliances, liquid dispenser, vacuum negative pressure pump, pressure pump, soap dispenser, etc.Others: Plumbing installations, anti-siphon devices, gas and fluid controllers, toys and sports equipment, irrigation equipment, pump valves, etc.
Characteristics of duckbill valve?
- 100% all-rubber structure, can meet a variety of anti-corrosion requirements （Different material can be selected according to different requirements)
- No clogging, well sealed.
- Long service life, no trouble, no maintenance.
- No moving parts and mechanical parts, no electrical signals and manual operation, no noise.
- Can be opened by the water head greater more than 0.01 meters.
- Under normal conditions, the head loss can be reduced to a very small degree.
- Can change various installation forms to meet customer needs
- Easy to install, low cost and operating cost
Advantages of duckbill valve
Low cost, if use of appropriate rubber raw materials, the service life is longer than the metal check valve, easy installation, flexible and diverse installation methods, and can be repaired
- Maintain high jet velocity
- Preventing seawater and sediment intrusion is one of the main properties of the duck bill valve
- Conducive to discharge pipe flushing
- Under certain conditions,higher dilution degree can be obtained.
- Non-corroding
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