ISO9001 Certified DN350 Rubber Bellow with Flange Sewage Duckbill Check Valve with 18months Warranty and 20Years' Experience
Price:
$10.3~$98.6/pc
MOQ:
1
Delivery Time:
5-8 work days
Brand:
JINGNING
Product Description
Rubber Bellow with Flange Sewage Duckbill Check Valve Clamp Connected
A Rubber Bellow with Flange Sewage Duckbill Check Valve (Clamp Connected) is a flexible rubber unit that provides vibration absorption and pipe movement compensation while integrating a clamp-connected duckbill check valve to allow forward flow and prevent backflow in sewage systems.
![Rubber Bellow with Flange Sewage Duckbill Check Valve]()
Features & Benefits
- 100% full rubber structure, meeting various anti-corrosion requirements (different rubber materials available)
- No blockage with excellent sealing properties
- Long service life, maintenance-free operation
- No moving parts, mechanical components, electric signals or manual operation required
- Opens with water head pressure as low as 0.01M
- Minimizes head loss in systems
- Customizable installation forms to meet specific requirements
- Easy installation with low operational costs
Technical Specifications
| Pipe Size ID | Length | Height | Flange Outside Diameter |
|---|---|---|---|
| DN(mm) | NPS | L(mm) | H | A |
| 50 | 2 | 150 | 100 | 150 |
| 80 | 3 | 220 | 140 | 200 |
| 100 | 4 | 250 | 200 | 225 |
| 150 | 6 | 340 | 265 | 275 |
| 200 | 8 | 420 | 325 | 338 |
| 250 | 10 | 520 | 425 | 400 |
| 300 | 12 | 620 | 525 | 485 |
| 350 | 14 | 700 | 625 | 525 |
| 400 | 16 | 800 | 725 | 588 |
| 450 | 18 | 900 | 825 | 625 |
| 500 | 20 | 980 | 925 | 688 |
| 600 | 24 | 1120 | 1025 | 800 |
| 700 | 28 | 1180 | 1125 | 969 |
| 800 | 32 | 1350 | 1400 | 1080 |
| 900 | 36 | 1500 | 1525 | 1150 |
| 1000 | 40 | 1600 | 1725 | 1325 |
| 1200 | 48 | 1840 | 1950 | 1485 |
For custom requirements or special flange specifications, please provide detailed drawings and specifications for customized production.
Product Advantages
- Competitive factory pricing
- 17 years manufacturing experience with 5 years export expertise
- Rigorous quality control exceeding industry standards
- Custom molds available for OEM production
- Free samples available for quality verification
- Large inventory for immediate availability
Applications
The integrated flange and duckbill check valve design enables easy installation. The all-rubber construction prevents blockage and jamming while allowing solid particles to pass through, reducing maintenance costs. Primary applications include:
![Duckbill Check Valve Installation Example]()
- Waterproof systems
- Drainage systems
- Pump outlets
- Lifting pump stations
- Submerged aeration systems
Our Services
- 24-hour customer support
- Free product samples
- Custom manufacturing services
- Technical drawings provided
- Multiple payment options
- Factory quality inspections
- Extended warranty coverage
- Secure transportation packaging
Frequently Asked Questions
Q1: What's the rubber material of Rubber Bellow with Flange?
A1: Available in EPDM, CR, NBR and other materials depending on working environment and media.
Q2: Is the flange galvanized?
A2: Available in electronic galvanized, hot dip galvanized, or painted flange options.
Q3: What is the minimum order quantity?
A3: 1 piece, available as sample for quality testing before bulk orders.
Q4: Can products feature custom logos?
A4: Yes, we provide OEM/ODM services including custom branding.
Q5: Are technical drawings available?
A5: Yes, we provide detailed product drawings upon request.
Q6: Can I request product samples?
A6: Yes, we provide free samples for quality evaluation.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Shanghai Songjiang Jingning Shock Absorber Co.,Ltd.
Location
Room 1002, Xinghua Building,Zhengzhou City, China
Contact Person
Wu