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| Nominal Size (mm) | Size (Inch) | Grade Type | Access Type | Application Logic |
| 75 mm | 2.5" | Commercial | Threaded Door | Community Branch Drainage |
| 110 mm | 4" | Commercial | Threaded Door | Vertical Plumbing Stacks |
Direct Access-Portal Logic: Features a heavy-duty threaded inspection door located on the main run, providing a convenient mechanical entry point for system maintenance and rodding.
Flow-Velocity Optimization: The 45-degree lateral branch angle promotes smooth hydraulic transitions, reducing back-pressure and preventing solid waste accumulation in drainage lines.
Commercial Grade Value: Specifically engineered to provide professional-grade wall strength and leak-proof reliability at a competitive price point for large-scale development projects.
Water-Tight Threaded Seal: Designed with precision-molded threads and a flat-seat cap to ensure a 100% leak-proof closure even in high-pressure vertical stack applications.
Molecular Fusion Bonding: Precision-engineered sockets provide a tight interference fit for "cold-welding" with ITPF solvent cement, creating a permanent monolithic structure.