0102030405
Heavy Duty Stainless Steel 304 Polished No Hub Rubber Type Coupling Pipe Connector
1. Key Selling Points (Short Banner Bullet Points)
✅ UPC Listed & ASTM A888 Compliant for North American Construction Projects
✅ 304 Stainless Steel Band + Heavy-Duty German Style T-Bolt Clamp
✅ Multi-Layer Orange Reinforced Rubber Seal, Anti-Leakage & Anti-Aging
✅ Flexible Joint Allows 3°-5° Angular Deflection & Thermal Expansion Compensation
✅ Fast Installation, No Welding / Flange Required, Easy Pipeline Maintenance
✅ Full Sizes DN50-DN300 Available, Custom Thickness & Width Supported

2. Product Basic Information Table
| Item | Specification Details |
| Brand | TJTC |
| Product Name | Heavy Duty No Hub Coupling |
| Main Material | Strap: 304 stainless steel; Bolt/nut: stainless steel; Gasket: EPDM rubber/chloroprene rubber (orange reinforcement layer or blue reinforcement layer) |
| Certification | UPC Certified, CSA Certified,ASTM A888 |
| Applicable Pipe | W Type Hubless Cast Iron Drain Pipe, DWV PVC Pipe Transition Joint |
| Standard Sizes | DN50, DN75, DN100, DN150, DN200, DN250, DN300 |
| Application System | Building Drainage, Sewage, Rainwater, Vent DWV Pipeline |
| Feature | Shock Resistant, Flexible Connection, Corrosion Resistant, Space Saving |
| Packing | Carton Packing, Pallet Loading for Sea Shipment |

3. Wide Application Scenarios
- Construction Type: High-rise residential buildings, commercial office buildings, hospitals, schools, shopping malls, hotels, underground parking lots
- Pipeline System: Indoor vertical drainage risers, horizontal branch sewage pipes, buried main drainage pipes, rainwater collection pipelines, building vent DWV systems
- Matching Pipe: Hubless W-type cast iron drainage pipe, transition connection between cast iron pipe and PVC DWV pipe
- Sales Market: North America (USA, Canada), Southeast Asia, Middle East, domestic large-scale real estate engineering projects

4. Quality Control & Certification Support
- Complete UPC certification file for customs clearance and local engineering inspection in North America
- Raw material incoming inspection: stainless steel thickness test,rubber aging resistance test
- Finished product hydraulic leakage test under 0.3MPa working pressure
- Batch production tracking, all sizes have stable dimensional tolerance
- Support third-party inspection before shipment as customer required


5.packaging and shipping





