HDPE Electrofusion Double Sealing Equal Tee for Water

Key Features

• Dual O-ring sealing for zero leakage
• 100% automated electrofusion weld joints
• Equal diameter design for uniform flow distribution
• Embedded copper wires compliant with ISO/EN standards
• Visual fusion observation window

Typical Applications

• Municipal water distribution branch connections
• Industrial cooling water circulation systems
• Wastewater treatment plant process lines
• Agricultural irrigation network junctions
• Building water supply riser diversions

Manufacturing Process

Injection molding with integrated resistance wire placement and simultaneous dual-seal groove machining

• Melt temperature control: 200±5°C
• Mold cooling gradient: <2°C/sec
• Copper wire positioning accuracy: ±0.1mm
• Seal groove surface roughness: Ra≤3.2μm

Raw Material Characteristics

• Density: 950 kg/m³ (ISO 1183)
• Melt Flow Index: 0.15g/10min (190°C/5kg)
• Environmental Stress Crack Resistance: >1000h (ISO 13479)
• Thermal stability: >20 years (ISO/TR 9080)
• Oxidation Induction Time: >30min (ISO/EN 728)

• Post-pressure-test repair tees installation in buried water networks
• Distribution connections between clarifiers and filtration systems in water plants
• Flow division nodes at pump inlets/outlets in chilled water systems
• Equal-flow branching in desalination plant pre-treatment lines
• Vertical-to-horizontal transition points in fire water mains