HDPE Transition 3PE Steel Transition Adapter for Fuel Gas

Key Features of HDPE Transition 3PE Steel Transition Adapter for Fuel Gas

• 3-layer anti-corrosion coating on the steel interface.
• Electrofusion or butt fusion connection for the HDPE end.
• Full-metal mechanical sealing system.
• Integrated pressure testing port.
• Cathodic protection compatibility.

Manufacturing Process of HDPE Transition 3PE Steel Transition Adapter for Fuel Gas

Each is produced by CNC precision machining and an automated coating application line.

Critical Process Parameters of HDPE Transition 3PE Steel Transition Adapter for Fuel Gas

• Steel substrate blast cleaning: Sa 2.5 grade
• Epoxy powder coating thickness: 200±30 μm
• HDPE injection molding temperature: 210–230°C
• Sealing surface flatness ≤0.1 mm
• Coating peel strength ≥150 N/cm

Raw Material Characteristics of HDPE Transition 3PE Steel Transition Adapter for Fuel Gas

• PE100 RC: MRS 10.0 MPa (ISO 9080)
• Steel yield strength ≥235 MPa
• Melt flow index: 0.2–0.4 g/10min (190°C/5kg)
• Slow crack growth resistance >500h (ISO 13479)
• 3PE coating cathodic disbondment ≤8 mm

Typical Applications of HDPE Transition 3PE Steel Transition Adapter for Fuel Gas

• is used in legacy steel gas network to HDPE pipeline integration.
• The fitting provides transition connections for gas pipelines crossing railways and highways.
• is installed at inlet and outlet connections in gas pressure regulation stations.
• is used for high-pressure PE to steel valve transitions.

Application Scenarios of HDPE Transition 3PE Steel Transition Adapter for Fuel Gas

• Transition points between HDPE gas pipe and 3PE-coated steel pipe — is the standard adapter for these connections.