Heavy Duty Stainless Steel 304 No Hub Coupling Pipe Connector - China Suppliers & Factory with EPDM Rubber Gaskets
1. Key Selling 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
| 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
Frequently Asked Questions (FAQ)
Are TJTC heavy-duty no-hub couplings UPC and CSA certified?
Yes, our heavy-duty no-hub couplings are fully UPC and CSA certified, making them compliant with ASTM A888 standards for North American construction projects.
What materials are used in these couplings?
The strap and T-bolt clamps are made of high-quality 304 stainless steel. The gasket is manufactured from durable EPDM or chloroprene rubber featuring a multi-layer orange or blue reinforcement layer for enhanced sealing and aging resistance.
What sizes are available for the heavy-duty no-hub coupling?
We provide standard sizes ranging from DN50 to DN300. Additionally, we support custom thickness and width requirements to fit specific engineering needs.
Can these couplings handle pipeline deflection and expansion?
Yes, the flexible joint design allows for 3° to 5° of angular deflection and offers thermal expansion compensation, preventing pipe damage from movement or temperature changes.
Do I need welding or flanges for installation?
No, our couplings are designed for fast installation and do not require welding or flanges. This makes pipeline connection and future maintenance quick and easy.
What pipeline systems are these couplings suitable for?
They are ideal for building drainage, sewage, rainwater collection, and vent DWV pipeline systems, connecting W-type hubless cast iron pipes or transitioning between cast iron and PVC DWV pipes.