Duckbill Check Valve for Backflow Prevention
This duckbill valve, crafted from elastic neoprene and artificial fiber, features a unique duckbill shape. It automatically closes under internal pressure, opening gradually to discharge liquids at high flow rates.
Technical Specifications
Product Overview
High-Performance Backflow Prevention
This duckbill check valve is engineered from elastic neoprene and reinforced with artificial fiber, utilizing a specialized processing technique to ensure reliable flow control. Its unique duckbill shape allows for automatic closure under internal pressure, effectively preventing backflow while enabling high-flow discharge. Designed to outperform traditional flap gates, this valve eliminates common issues like incomplete sealing, providing a robust solution for wastewater treatment and urban drainage systems.
Technical Standards
Flange Standards
| Pipe Diameter | Standard Pressure |
|---|---|
| Below 800mm | 1.0 MPa |
| 800mm and above | 0.6 MPa |
Key Features
Benefits
- Prevents flood and sewage intrusion into streets and basements
- Protects sewage treatment plants and pumping stations from rising water levels
- Blocks odors and fluid diffusion
- Provides reliable drainage during rainy seasons
- Superior sealing performance compared to traditional flap gates
Material & Design
- Materials
- Elastic NeopreneArtificial Fiber
- Valve Type
- Duckbill Check Valve
