Rubber Duckbill Check Valve 50-1200mm with Flange Connection, Maintenance-Free Backflow Prevention Solution
The rubber duckbill valve is an innovative water supply and drainage solution featuring a unique "duckbill-shaped" design with forward discharge and reverse check functionality. Constructed from durable chloroprene rubber and reinforced with artificial fibers, this maintenance-free valve offers exceptional performance in various industrial applications.
- Excellent sealing performance prevents liquid backflow and odor transmission
- Superior pressure resistance with minimal hydraulic loss
- Automatic self-cleaning design prevents sediment and sludge buildup
- Outstanding antifreeze performance due to flexible rubber construction
- 100% all-rubber structure available in various corrosion-resistant materials
- Low opening pressure requirement (0.01 meters water head)
| Type | Nominal Diameter (mm) | Length L (mm) | Height H (mm) | Flange Diameter C (mm) |
|---|---|---|---|---|
| XF50-150-F | 50 | 150 | 100 | 150 |
| XF80-220-F | 80 | 220 | 140 | 200 |
| XF100-250-F | 100 | 250 | 200 | 225 |
| XF150-340-F | 150 | 340 | 265 | 275 |
| XF200-420-F | 200 | 420 | 325 | 338 |
| XF250-520-F | 250 | 520 | 425 | 400 |
| XF300-620-F | 300 | 620 | 525 | 485 |
| XF350-700-F | 350 | 700 | 625 | 525 |
| XF400-800-F | 400 | 800 | 725 | 588 |
| XF450-900-F | 450 | 900 | 825 | 625 |
| XF500-980-F | 500 | 980 | 925 | 688 |
| XF600-1120-F | 600 | 1120 | 1025 | 800 |
| XF700-1180-F | 700 | 1180 | 1125 | 969 |
| XF800-1350-F | 800 | 1350 | 1400 | 1080 |
| XF900-1500-F | 900 | 1500 | 1525 | 1150 |
| XF1000-1600-F | 1000 | 1600 | 1725 | 1325 |
| XF1200-1840-F | 1200 | 1840 | 1950 | 1485 |
- Maintenance-free operation with long service life
- No moving parts, electrical signals, or manual operation required
- Silent operation with no noise generation
- Multiple installation configurations available
- Cost-effective installation and low operating costs
Available in various connection types including sleeve, embedded, built-in, flange, installation plate, and mortar/cement pipeline configurations. Most common types feature clamp and flange connections for versatile installation.
Our comprehensive support package includes expert consultation, installation assistance, product training, warranty services, and customized solutions tailored to your specific requirements.
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