HDPE to Steel Transition Adapter for Fuel Gas

Key Features

• Fusion/electrofusion connection (HDPE end), flanged/threaded connection (steel end)
• Full-seal design pressure-tested per ISO 11413
• Anti-corrosion treatment for underground/aboveground durability

Typical Applications

• Urban natural gas distribution network retrofits
• LPG storage/transport facility connections
• Industrial fuel gas pipeline interfaces

Manufacturing Process

Injection molding (HDPE) + CNC precision machining (steel)

• Melt temperature control: 200±5°C (HDPE)
• Coaxial tolerance: ≤0.1mm
• Surface roughness: Ra≤3.2μm (sealing face)

Raw Material Characteristics

• PE100 density: ≥950 kg/m³ (ISO 1183)
• Minimum Required Strength: MRS 10 MPa (ISO 9080)
• Steel yield strength: ≥240 MPa (ASTM A106)

• Legacy steel gas network to new HDPE pipeline transitions
• Transition connections for underground fuel tanks at refueling stations
• Reactor gas inlet retrofits in chemical processing plants