| Specification |
Value |
| Material | HDPE PE100 |
| Standard | ISO 4427 |
| Type | Coupling |
| Connection | Quick Male Thread |
| Pressure Rating | PN10 / PN16 |
| Size Range | DN20 - DN630 |
Key Features
- ISO 4427-compliant tapered socket fusion end ensures seamless molecular bonding
- ISO 228 BSP standard male threads for universal compatibility
- Dual-sealing mechanism: molecular fusion seal + mechanical thread seal
- 45° chamfered entry accelerates installation and reduces field labor time
Typical Applications
- Transition joints between valves/pumps and HDPE mains in water treatment plants
- Connection points for metal filters in polyethylene irrigation networks
- Riser-to-branch transitions in building water supply systems
Manufacturing Process
Precision injection molding (body) + CNC turning (thread components)
- Melt temperature control: 210±5°C to prevent thermal degradation
- Holding pressure: 75–85 MPa ensures molecular integrity of fusion face
- Thread concentricity tolerance: ≤0.05mm/100mm
- Cooling gradient: 2.5°C/sec prevents crystallization defects
Raw Material Characteristics
- Density: 0.952–0.955 g/cm³ (ISO 1183)
- Melt flow index: 0.25 g/10min (190°C/5kg, ISO 1133)
- Slow crack growth resistance: >5000 h (ISO 13479)
- Copper alloy pressure rating: ≥PN25
- Connection between steel hydrants and HDPE mains in municipal water networks
- Transition joints for metal instruments in desalination plant pretreatment units
- Quick-repair transition points in agricultural mobile irrigation systems
- Expansion tank interfaces in HVAC installations