HDPE Electro Fusion Double Sealing Coupler for Water

Key Features of HDPE Electro Fusion Double Sealing Coupler for Water

• Dual-seal structure provides redundant leak prevention.
• Embedded heating elements ensure full-circumference uniform fusion.
• Resistance to chemical corrosion and UV degradation protects.
• Monolithic design with no moving parts minimizes failure risks.

Manufacturing Process of HDPE Electro Fusion Double Sealing Coupler for Water

Each is produced by injection molding with automated heating element embedding.

Critical Process Parameters of HDPE Electro Fusion Double Sealing Coupler for Water

• Melt temperature control: 200–230°C
• Mold cooling rate gradient management
• Heating wire resistance tolerance ≤±2%
• Coupler bore concentricity precision control

Raw Material Characteristics of HDPE Electro Fusion Double Sealing Coupler for Water

• Density: 0.950–0.965 g/cm³ (ISO 1183)
• Melt Flow Index: 0.3–0.5 g/10min (190°C/5kg)
• Long-term hydrostatic strength: ≥10.0 MPa (20°C, 50 years)
• Elastic modulus: ≥800 MPa (ISO 527)

Typical Applications of HDPE Electro Fusion Double Sealing Coupler for Water

• is used in municipal water supply network rehabilitation.
• serves industrial cooling water circulation systems.
• is installed at mainline junctions in agricultural irrigation.
• is used in water transmission pipelines in desalination plants.

Application Scenarios of HDPE Electro Fusion Double Sealing Coupler for Water

• Trenchless rehabilitation and pressure main connections — is the standard coupler for these applications.