Double Socket Level Invert Tees With Flanged Branch

Product Description

When constructing expansive municipal pipelines or industrial fluid transport networks, the integrity of every junction dictates the reliability of the entire system. The Double Socket Level Invert Tees With Flanged Branch are precision-cast components specifically designed to manage complex flow diversions while maintaining optimal fluid velocity and system pressure. Handling these heavy-duty fittings reveals their substantial weight and dense metallic structure, a direct result of meticulous metallurgical processes and controlled cooling environments. The surface finish, whether thickly coated in rich bitumen or bonded with smooth epoxy, feels exceptionally uniform to the touch, providing a tactile assurance of its protective barrier against harsh subterranean elements. These tees serve as vital connectors that ensure secure, leak-proof branch integrations in demanding infrastructural projects, bridging the gap between main transmission lines and localized distribution networks.

Standard: ISO2531/EN545

Size: DN60-2600

Internal Lining: Cement, Epoxy Paint, FBE(Fushion Bonded Epoxy)

External Coating: Zinc Rich Bitumen, Epoxy Paint, FBE(Fushion Bonded Epoxy)

Application:

●Water Supply, Transmission and Distribution

● Water Plant and Sewage Treatment Reservoir Piping

● Sewage Collection and Disposal System

● Storm Water Drainage System

● Irrigation System

● Fire Fighting System

Engineering Advantages & Technical Specifications

Material Strength and Pressure Resilience

Manufactured from premium ductile iron, these tees exhibit extraordinary tensile strength and exceptional seismic resistance, fundamentally outperforming traditional grey cast iron alternatives. The microscopic spherical graphite nodules within the iron matrix actively absorb mechanical stress, ground shifting, and vibration, safeguarding underground networks against unpredictable soil movements and heavy traffic loads from the surface above. When struck with a specialized mallet during inspection, the material produces a solid, resonant acoustic feedback that confirms a completely void-free casting. Available in multiple working pressure ratings, including PN10, PN16, and PN25, these fittings confidently handle the rigorous demands of municipal water distribution, highly pressurized sewage mains, and critical fire protection networks without risking structural fatigue or sudden catastrophic failure over decades of continuous use.

Advanced Anti-Corrosion Treatments

To combat the aggressive nature of raw sewage, industrial effluents, and highly corrosive soil chemistries, each tee undergoes comprehensive surface protection protocols tailored to specific environmental threats.

• Internal Defenses: The precise application of centrifugal cement mortar, liquid epoxy, or Fusion Bonded Epoxy (FBE) creates a glass-smooth internal channel. This specialized lining not only minimizes hydraulic friction loss to maintain flow efficiency but also prevents internal scouring, mineral buildup, and chemical degradation from abrasive suspended solids.
• External Shielding: The exterior geometry is fortified with thick layers of zinc-rich bitumen, epoxy paint, or FBE. The FBE coating, applied through an electrostatic fusion process at elevated temperatures, cures into a dense, impermeable protective shell. This barrier completely isolates the ductile iron core from external moisture, stray electrical currents, and reactive soil compounds, drastically extending the operational lifespan of the pipeline even in coastal or highly acidic terrains.

Level Invert Geometry and Installation Efficiency

The unique architectural geometry of the level invert design provides distinct operational and installation benefits that standard concentric fittings simply cannot match:

• Sediment Prevention: Unlike standard tees where the branch sits higher than the main floor, the flat-bottom (level invert) configuration ensures that the branch and the main pipe share the exact same bottom elevation. This calculated geometry actively prevents the pooling of heavy solids, sludge, and debris, maintaining clear, unobstructed flow paths in gravity-fed sewage and wastewater systems.
• Alignment Precision: The integration of a flanged branch simplifies on-site mechanical alignment. Installation crews can achieve secure, perfectly sealed joints utilizing standard bolting procedures and gaskets, significantly reducing the labor hours and heavy machinery time spent operating in confined trench environments.
• Maintenance Reduction: By eliminating the internal traps and lips where debris typically accumulates, the frequency of manual cleanouts, hydro-jetting interventions, and emergency blockages is substantially decreased, lowering the total cost of ownership for utility operators.

Quality Assurance and Custom Engineering

Every individual fitting is subjected to a rigorous, multi-stage evaluation process to guarantee zero leakage and absolute dimensional reliability before deployment to the job site. We maintain strict adherence to ISO2531 and EN545 international manufacturing standards throughout the entire production cycle.

Beyond standard off-the-shelf configurations, our production facilities are fully equipped to accommodate extensive project-specific engineering requirements. With a comprehensive size range spanning from compact DN60 units to massive DN2600 dimensions, we supply critical components for everything from localized residential water feeds to major regional transmission aqueducts. We also provide highly flexible OEM and ODM services, allowing engineering and procurement teams to specify exact coating formulations, custom flange drillings, and unique dimensional tolerances tailored to overcome specific environmental or topographical challenges in their upcoming infrastructure developments.