The HDPE Butt Fusion Female Coupler for Fuel Gas is a PE100 RC transition fitting that combines a butt fusion socket with a female threaded end for reliable connections to gas equipment and threaded piping in fuel gas distribution systems.
| Specification |
Value |
| Material | HDPE PE100 |
|---|
| Standard | ISO 4427 |
| Pressure Rating | PN10 / PN16 |
| Size Range | DN20 - DN630 |
Key Features of HDPE Butt Fusion Female Coupler for Fuel Gas
- PE100 RC material gives superior resistance to slow crack growth.
- Butt fusion end forms a full-circumference leak-free permanent joint.
- Female threaded end conforms to ISO 228 dimensional standards.
- The fitting complies with antistatic and UV resistance requirements for gas transport.
Manufacturing Process of HDPE Butt Fusion Female Coupler for Fuel Gas
Each is produced by precision injection molding with strict process control.
Critical Process Parameters of HDPE Butt Fusion Female Coupler for Fuel Gas
- Melt temperature control: 180–220°C
- Mold holding pressure: 50–80 MPa
- Multi-stage cooling rate regulation
- Socket ovality ≤0.5% tolerance
Raw Material Characteristics of HDPE Butt Fusion Female Coupler for Fuel Gas
- Density: 0.950–0.965 g/cm³
- Melt flow index: 0.1–0.4 g/10min (190°C/5kg)
- Long-term hydrostatic strength: 10.0 MPa (20°C, 50 years)
- Slow crack growth resistance >500h (NPT test)
Typical Applications of HDPE Butt Fusion Female Coupler for Fuel Gas
- is used in natural gas city distribution network connections.
- serves LPG terminal equipment interfaces.
- is installed in industrial fuel gas piping systems.
- The fitting connects pressure regulation station valve-pipeline interfaces.
Application Scenarios of HDPE Butt Fusion Female Coupler for Fuel Gas
- Branch connections in urban gas grids — is the standard threaded transition coupler for these points.
