The HDPE Butt Fusion 30° Elbow for Fuel Gas is a PE100 RC elbow with a 30° angle and butt fusion connections, designed for directional changes in fuel gas pipelines. It offers excellent slow crack growth resistance and permanent joint integrity.
| Specification |
Value |
| Material | HDPE PE100 |
|---|
| Standard | ISO 4427 |
| Angle | 30 Degree |
| Pressure Rating | PN10 / PN16 |
| Size Range | DN20 - DN630 |
Key Features of HDPE Butt Fusion 30° Elbow for Fuel Gas
- The fitting complies with PE100 RC specifications for gas transportation.
- The 30° angle design optimizes hydrodynamic performance.
- The fitting has exceptional slow crack growth resistance.
- Automated butt fusion ensures joint integrity.
- The fitting resists corrosion in buried harsh environments.
Manufacturing Process of HDPE Butt Fusion 30° Elbow for Fuel Gas
Each is produced by computer-controlled injection molding.
Critical Process Parameters of HDPE Butt Fusion 30° Elbow for Fuel Gas
- Melt temperature control: 195–215°C
- Mold cooling gradient ≤3°C/sec
- Holding pressure ≥75 bar
- Material moisture content ≤0.02%
- ESCR compliance per ISO 13479
Raw Material Characteristics of HDPE Butt Fusion 30° Elbow for Fuel Gas
- Minimum Required Strength: 10 MPa (ISO 9080)
- Density: 0.950–0.955 g/cm³ (ASTM D792)
- Melt Flow Index: 0.15–0.25 g/10min (190°C/5kg)
- Elastic modulus: ≥900 MPa (EN ISO 527)
- Thermal stability: >4800hrs (110°C, EN 728)
Typical Applications of HDPE Butt Fusion 30° Elbow for Fuel Gas
- is used for direction changes in medium-pressure gas mains.
- serves branch connections for gas distribution laterals.
- is installed in gas pipelines crossing railways and roads.
- The fitting provides compressor station outlet piping arrangements.
- is used in inlet piping for district pressure regulators.
Application Scenarios of HDPE Butt Fusion 30° Elbow for Fuel Gas
- Directional changes in urban and industrial gas networks — is the standard 30° elbow for these transitions.
