Key Features
- Complies with stringent gas pipeline leakage standards
- Full automatic butt fusion ensures joint integrity
- Resistant to chemical corrosion and cathodic disbondment
- 50-year design lifespan
Typical Applications
- Medium/low-pressure urban gas networks
- Industrial plant gas distribution systems
- LNG station gas transmission connections
- Pre-meter gas pipeline connections
Manufacturing Process
Fully automated butt fusion molding process
- Heating plate temperature control: 210±5°C
- Fusion pressure: 0.15-0.3MPa
- Precise heating/cooling phase timing
- End flatness ≤0.1mm
Raw Material Characteristics
- Minimum Required Strength (MRS) 10MPa
- Resistance to Slow Crack Growth ≥500h
- Carbon black content 2.5±0.5%
- Oxidation Induction Time (OIT) ＞20min
- Urban gas network branch retrofitting
- Underground main gas pipelines in industrial zones
- Compressed Natural Gas (CNG) refueling stations
- Inlet/outlet connections at gas pressure regulation stations
