HDPE Butt Fusion End Cap for Fuel Gas

Key Features of HDPE Butt Fusion End Cap for Fuel Gas

• PE100 material ensures resistance to slow crack growth.
• Automated butt fusion enables permanent leak-tight sealing.
• The fitting complies with ISO 4437 hydrostatic pressure testing.
• UV stabilizers give outdoor durability.

Manufacturing Process of HDPE Butt Fusion End Cap for Fuel Gas

Each is produced by automated injection molding.

Critical Process Parameters of HDPE Butt Fusion End Cap for Fuel Gas

• Melt temperature control with ±2°C tolerance
• Holding pressure >80 MPa
• Cooling rate gradient management
• Wall thickness uniformity <5% deviation

Raw Material Characteristics of HDPE Butt Fusion End Cap for Fuel Gas

• Minimum Required Strength: 10 MPa
• Melt Flow Rate: 0.3–0.5 g/10min
• Gas permeability resistance: <10 mg/m²/day
• Rapid Crack Propagation critical pressure >1.5 MPa

Typical Applications of HDPE Butt Fusion End Cap for Fuel Gas

• is used for terminal sealing in new gas pipeline installations.
• The fitting provides temporary isolation during pipeline maintenance.
• is installed at downstream termination points in district metering stations.
• serves CNG fueling station storage line termination.

Application Scenarios of HDPE Butt Fusion End Cap for Fuel Gas

• Terminal sealing and isolation of fuel gas pipelines — is the standard end cap for these closures.