HDPE Socket Fusion Stub End for Water

Key Features

• Socket fusion interface guarantees zero-leak performance
• Flange face meets EN 1092-1 flatness specifications
• Uniform wall thickness optimizes stress distribution
• Fully electrofusion joint eliminates mechanical weak points

Typical Applications

• Flange valve connections in water treatment plants
• Transition fittings in municipal water networks
• Cooling water system interfaces
• Fire suppression pipeline retrofits

Manufacturing Process

Injection molding (body) + CNC face machining + pre-embedded heating wire

• Melt flow index control: 0.3–0.5 g/10min (190°C/5kg)
• Weld interface roughness Ra≤12.5μm
• Flange face flatness tolerance ±0.2mm
• Cooling gradient ≤15°C/min

Raw Material Characteristics

• Density: 955–965 kg/m³ (ISO 1183)
• Elastic modulus: 1,100 MPa (ASTM D638)
• Environmental stress cracking: ≥1,500 hr (ASTM D1693)
• Thermal conductivity: 0.43 W/(m·K)

• Potable water main-to-valve connections in pumping stations
• Pipeline interfaces in desalination pretreatment systems
• Transition joints for underground pipe rehabilitation
• Riser system flange conversions in high-rise buildings