HDPE Socket Fusion Ground Source Heat Pump Fittings for Water

Key Features

• Integrated socket fusion connection design
• Manufactured from HDPE PE100 material compliant with ISO 4437 chemical resistance
• Operating temperature range: -40°C to 40°C
• 50-year design service life
• Smooth bore for minimal flow resistance

Typical Applications

• Vertical/horizontal ground loop systems
• Closed-loop geothermal energy exchange circuits
• Connections between heat pump units and headers
• Branching systems for buried piping networks

Manufacturing Process

Injection Molding

• Melt temperature control: 205±5°C
• Holding pressure: 75-100 MPa
• Cooling rate gradient management
• Mold temperature consistency ≤2°C deviation

Raw Material Characteristics

• Density: 0.950-0.955 g/cm³ (ISO 1183)
• Melt Flow Index: 0.3 g/10min (190°C/5kg)
• Resistance to Slow Crack Growth: ≥500h (ISO 13479)
• Thermal Stability: >20min (200°C)

• Residential ground source heat pump buried loops
• Commercial geothermal exchanger header systems
• Maintenance access points for GSHP circuits
• U-bend connections in vertical borehole heat exchangers