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Standard: ISO2531/EN545
Size: DN60—600
Internal Lining: FBE(Fushion Bonded Epoxy),Epoxy Paint,PU, and Customized lining available.
External Coating: FBE(Fushion Bonded Epoxy),Epoxy Paint,PU and and Customized lining available.
Advantage: Compared to T type joint, Express could prevent the separation of the joints and allow more deflection.
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
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The Leak-Proof Flanged Branch Double EX Tee serves as a critical junction component designed to execute secure, precise branch connections within complex fluid transit networks. Moving beyond standard T-joint configurations, this specialized fitting merges the immovable grip of double socket ends with the adaptability of a flanged branch outlet. This structural synergy allows project engineers to introduce lateral pipelines into primary mains without compromising the integrity of the overall system. Engineered to perform reliably under demanding environmental conditions, the tee delivers absolute leak prevention and structural steadfastness. When handling the heavy physical demands of municipal or industrial fluid transport, the smooth, precisely cast iron surface and rigid flange face provide a tactile assurance of durability, ensuring long-term operational stability for critical infrastructure.
Unlike standard friction-fit joints, this tee incorporates a specialized anchoring mechanism within the double sockets that physically prevents pipe withdrawal. When subjected to intense internal pressure surges or dynamic water hammer effects, the locking design firmly grips the inserted spigot. This mechanical restraint eliminates the risk of joint separation, drastically reducing maintenance interventions and safeguarding the surrounding infrastructure from catastrophic washouts even under extreme hydraulic stress.
Ground settlement and thermal expansion constantly stress buried networks. This fitting is engineered to allow significant angular deflection at the socket joints, absorbing mechanical strain that would otherwise fracture rigid connections. Installers can easily navigate minor trench misalignments, while the system gains long-term resilience against soil shifts and seasonal temperature fluctuations, maintaining a perfectly sealed interior environment without transferring stress to the main pipeline.
To combat aggressive internal fluids and corrosive external soils, the tee features heavily customized protective barriers. The interior can be lined with smooth epoxy resin or polyurethane (PU) to maintain optimal flow dynamics and prevent scale buildup, while the exterior receives a fusion-bonded epoxy (FBE) coating. Running a hand over the finished surface reveals a thick, uniform protective layer that isolates the core metal from chemical attacks, moisture penetration, and microbial degradation in severe environments.
The flanged branch outlet is meticulously machined to accommodate a broad spectrum of secondary attachments and offers a comprehensive range of pipe diameters. Fully compatible with standard PN10 and PN16 flange drillings, it allows operators to bolt on gate valves, flow meters, or extending pipe sections with absolute precision. The flat, finely grooved flange face ensures that once the gasket is compressed, the connection remains entirely impermeable, supporting seamless fluid transition across varying network configurations.
In sprawling urban water grids, this fitting acts as the primary divergence point, channeling potable water from main transmission arteries into localized residential or commercial distribution zones. The secure socket grip prevents pressure loss during peak demand hours. For wastewater management, the tee safely directs corrosive effluent toward filtration basins and chemical treatment tanks. The specialized internal linings prevent raw sewage from degrading the metal, ensuring uninterrupted flow management in highly abrasive environments.
Heavy manufacturing facilities rely on dependable fire suppression networks. This tee is frequently deployed to split main firewater lines into dedicated sprinkler feeds, hydrants, or foam injection stations. Because emergency systems experience sudden, violent pressure spikes when activated, the anti-disconnection architecture ensures the joints hold fast, delivering critical water volume without the risk of a blowout at the connection point.
Managing water distribution across vast agricultural tracts requires piping that can handle varying flow rates and uneven terrain. The tee branches main irrigation feeds into specific crop zones. Its deflection capabilities allow the pipeline to follow the natural contours of the land, while the robust construction withstands the constant vibration of high-capacity irrigation pumps, keeping soil moisture levels consistent and system pressure stable.
Every unit is cast and machined in strict alignment with ISO2531 and EN545 regulatory frameworks, ensuring universal compatibility with global ductile iron pipe networks. Before leaving the facility, each tee undergoes rigorous hydrostatic pressure and sealing validation tests. This exhaustive quality control process guarantees that the dimensional tolerances of the sockets and the load-bearing capacity of the flange meet exact engineering requirements, providing a zero-leak guarantee under specified operating conditions.
Forged from premium-grade ductile iron, the core body exhibits exceptional tensile strength and impact resistance. The metallurgical composition is specifically formulated to endure heavy external soil loads and internal hydrostatic stress. Combined with the advanced FBE or PU coatings, the material resists both physical deformation and chemical weathering, extending the operational lifespan of the pipeline by decades and minimizing the total cost of ownership for utility operators.
Scaled Production Capability: To support large-scale infrastructure developments, we leverage a high-capacity production line capable of fulfilling substantial procurement orders with consistent, reliable lead times.
Export-Grade Packaging Logistics: Each heavy-duty fitting is meticulously secured in reinforced wooden crates or export-certified pallets. This ensures the protective coatings and machined flange faces remain pristine during extended maritime or overland transit.
Comprehensive Engineering Support: Beyond manufacturing, our engineering team provides end-to-end project support—from initial sizing and pressure rating consultations to custom configuration plans and on-site installation guidance, ensuring your pipeline infrastructure operates flawlessly.
The Leak-Proof Flanged Branch Double EX Tee is engineered to accommodate a wide spectrum of operational pressures, perfectly matching standard municipal and industrial requirements. It easily integrates with PN10, PN16, and other common pressure classes. Project managers should review their specific hydraulic models to select the exact rating that aligns with their network's maximum working pressure and surge allowances.
Absolutely. The component is purpose-built for direct burial. The heavy-duty fusion-bonded epoxy (FBE) or polyurethane coatings provide an impenetrable barrier against acidic soils, groundwater moisture, and microbial corrosion. Furthermore, the mechanical anti-disconnection mechanism ensures the joint remains firmly locked even when subjected to heavy overhead traffic loads or shifting earth.
While the push-on double socket design significantly accelerates the assembly process, engaging experienced pipeline contractors is highly advised. Proper insertion depth, accurate torque application on the flanged branch, and correct lubrication of the sealing gaskets are critical steps. Professional handling guarantees that the deflection angles remain within safe limits and that the entire junction is permanently sealed against leaks.
The flanged connection is inherently modular. By unbolting the fastener array, maintenance crews can detach valves, blind flanges, or secondary pipes without disrupting the primary main line. When reassembling, it is crucial to inspect the flange face for debris and replace the elastomeric gasket to restore the absolute seal, ensuring the branch remains water-tight under renewed pressure.
