SS304 Duckbill Check Valve DN100 with Nitrile Rubber Lining for Sewage and Wastewater Systems
The SS304 Duckbill Check Valve is a high-performance backflow prevention solution designed for sewage and wastewater systems. Constructed with SS304 stainless steel body and nitrile rubber lining, this valve delivers exceptional corrosion resistance, flexible installation options, and long-term durability in demanding environments.
This maintenance-free valve operates without moving parts, ensuring reliable performance in harsh applications including sewage discharge, wastewater treatment plants, and industrial drainage systems.
- High corrosion resistance with SS304 stainless steel and nitrile rubber construction
- No moving parts for reliable, low-risk operation
- Long service life with maintenance-free design
- Wide size range from DN50 to DN1600
- Easy installation with flanged connection system
- Versatile applications for sewage, drainage, harbor, and wastewater projects
| Parameter | Value |
|---|---|
| Size Range | DN50 - DN1600 |
| Material | SS304 Stainless Steel + Nitrile Rubber |
| Connection Type | Flanged |
| Working Pressure | Up to 1.0 MPa |
| Application Fields | Sewage, Wastewater, Drainage Systems, Ports |
| Model | Pipe Nominal Diameter | Length (mm) | Height (mm) | Flange Outside Diameter (mm) |
|---|---|---|---|---|
| XH4150-150-F | 50 | 150 | 100 | 150 |
| XH4180-220-F | 80 | 220 | 140 | 200 |
| XH41100-250-F | 100 | 250 | 200 | 225 |
| XH41150-340-F | 150 | 340 | 265 | 275 |
| XH41200-420-F | 200 | 420 | 325 | 338 |
| XH41250-520-F | 250 | 520 | 425 | 400 |
| XH41300-620-F | 300 | 620 | 525 | 485 |
| XH41350-700-F | 350 | 700 | 625 | 525 |
| XH41400-800-F | 400 | 800 | 725 | 588 |
| XH41450-900-F | 450 | 900 | 825 | 625 |
| XH41500-980-F | 500 | 980 | 925 | 688 |
| XH41600-1120-F | 600 | 1120 | 1025 | 800 |
| XH41700-1180-F | 700 | 1180 | 1125 | 969 |
| XH41800-1350-F | 800 | 1350 | 1400 | 1080 |
| XH41900-1500-F | 900 | 1500 | 1525 | 1150 |
| XH411000-1600-F | 1000 | 1600 | 1725 | 1350 |
| XH411200-1840-F | 1200 | 1840 | 1950 | 1485 |
Note: The above data represents standard sizes. Custom sizes are available upon request.
| Application | Coast, beach, dock, reservoir, etc. |
|---|---|
| Rubber Material | NR, NBR, EPDM, etc. |
| Flange Material | Carbon steel, SS304, SS316, etc. |
| Flange Drilling | PN10/PN16 |
| Flange Standard | DIN (Other Standards Optional) |
- Municipal sewage discharge pipelines
- Wastewater treatment plants
- Industrial drainage systems
- Port and coastal protection projects
Looking for a durable and corrosion-resistant check valve for your sewage or wastewater project? Contact us today for pricing, samples, or customized solutions.
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