Key Features
- PE100 RC material with superior slow crack growth resistance
- Automated butt fusion process ensures permanent seal integrity
- Reducer design accommodates complex flow distribution requirements
- Chemical resistance meets stringent fuel gas transmission standards
- 50+ year design life with maintenance-free operation
Typical Applications
- Branching nodes in urban gas distribution networks
- Pipe diameter transitions in industrial gas systems
- Pressure regulation stations in natural gas transmission
- Size transition points in CNG station piping
- Area distribution hubs on main gas pipelines
Manufacturing Process
Computer-controlled injection molding
- Melt temperature control: ±2°C (190-240°C)
- Holding pressure: 70-100 MPa
- Precision cooling curve management
- Dimensional tolerance: ISO 11922 compliant
- Surface quality control: No flow marks or sinks
Raw Material Characteristics
- Density: 0.950-0.955 g/cm³ (ISO 1183)
- Melt Flow Rate (190/5): 0.2-0.4 g/10min
- Tensile strength at yield: ≥25 MPa (ISO 527)
- Resistance to slow crack growth: ≥2000h (ISO 13479)
- Oxidation induction time: ≥30 min (ISO/TR 10837)
- Size transition points from transmission mains to distribution pipes
- Pressure regulation nodes before gas entry into residential zones
- Size transition assemblies at CNG station compressor outlets
- Zone metering connections for industrial plant gas networks
- Branch transition points on river/road crossing pipelines
