The DN50 Electrofusion Tee is the most suitable component for branching needs in small-scale pipeline systems. It comes in two types: equal-diameter (e.g., T50) and reducing-diameter tees. The equal-diameter tee is ideal where the main and branch pipes share the same diameter, while the reducing tee is used when branching from a larger main pipe to a smaller one, accommodating various complex piping layouts for different applications. This product features a compact design and structure; it is not merely a scaled-down version of a larger tee. After precise electrofusion welding, the tee becomes a permanent, seamless, and leak-proof branch fitting. The HDPE electrofusion tee can be deployed in both underground and above-ground pipeline networks across virtually all sectors, including water supply, gas, petroleum distribution, agricultural irrigation, industrial plant processes, and wastewater/stormwater collection, largely unaffected and unconstrained by external environmental conditions.
Its superior chemical stability and flexibility mean reliability even in complex soil conditions or seismic zones, resisting various acid and alkali corrosions, making it a versatile solution for demanding applications.
DN50 Electrofusion Tee Product Brief Data Sheet
|
Item |
Electrofusion Equal Tee (T50) |
Electrofusion Reducing Tee (T50×40) |
Product Purpose |
Unit Weight (approx.) |
Dimensions (L×W×H) |
Main Pipe Inner Diameter |
Fitting Outer Diameter |
|
Electrofusion Equal Tee (T50) |
Electrofusion Reducing Tee (T50×40) |
Connects three pipes of the same diameter (all 50mm) for flow splitting or combining. |
0.235 kg |
74.5 × 44.5 × 40.5 mm |
50 mm |
65 mm |
|
|
Electrofusion Reducing Tee (T50×40) |
Connects pipes of different diameters: 50mm main to a 40mm branch for reducing flow splitting. |
0.2 kg |
67.5 × 43.5 × 48 mm |
50 mm |
65 mm |
Choose T50 if you need to connect three pipes of the same diameter (50mm).
Choose T50×40 if you need to branch a 40mm pipe from a 50mm main pipe.
Welding Quality Inspection Methods for Electrofusion Fittings
Primary quality inspection methods for electrofusion welds include:
1. Visual Inspection: Check the welded area for deformation, uneven material extrusion (bead), or discoloration.
2. Pressure Test: Fill the system with pressurized water, maintain the pressure for a specified duration, and check for leaks.
3. Ultrasonic Testing (UT): Use ultrasonic scanning equipment to inspect the electrofusion joint for lack of fusion, voids, or porosity.
Among these, Ultrasonic Testing is the most effective method for identifying hidden defects, especially for the final acceptance testing of high-pressure pipeline systems involving a tee HDPE electrofusion.
Common Issues & Solutions
Common Issue: Soil Settlement Around Buried Fitting
Solution: Excavate and inspect. For minor deformation, backfill with sand/gravel and compact. For severe deformation, replace the fitting and backfill in layers with proper compaction.
Retail Big DataCommon Issue: Fitting Softening Due to High-Temperature Media
Solution: Replace with a high-temperature rated tee HDPE electrofusion, reduce media temperature to within specified limits, and increase wall thickness inspection and maintenance frequency.
Common Issue: Leakage Upon Re-commissioning After Downtime
Solution: Before restarting, perform low-pressure flushing and a pressure test. If leaks are found, re-weld or replace the fitting immediately to restore proper sealing.
Company Introduction
Zhejiang Fenghe Piping Co., Ltd. emphasizes product quality management and system construction, having obtained ISO certifications (including Quality Management System, Environmental Management System, etc.). Implementing ISO standards has led to continuous process optimization and stricter controls throughout production-from raw material procurement to final product dispatch-ensuring quality meets international top-tier standards. While improving product quality, the company prioritizes environmental protection, adhering to a green development philosophy that harmonizes maximum efficiency with ecological responsibility. It sets an exemplary benchmark in the industry through superior quality and advanced management practices, leading the way in high-quality industrial development.
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