The HDPE Socket Fusion Thread Female Coupler for Fuel Gas is a PE100 transition coupler with a socket fusion end and a female threaded end. It provides leak-tight connections between HDPE gas pipe and metal pipeline systems.
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Female Threaded Coupling
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Size
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D (mm)
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L (mm)
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20 x ½"
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27
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41
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20 x ¾"
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27
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43
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25 x ½"
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33
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44
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25 x ¾"
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33
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46
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32 x ½"
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41
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39
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32 x ¾"
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41
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43
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32 x 1"
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41
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50
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40 x 1¼"
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50
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52
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50 x 1½"
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60
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54
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63 x 2"
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77
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64
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75 x 2½"
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90
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70
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90 x 3"
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108
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82
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110 x 4"
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131
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85
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Key Features of HDPE Socket Fusion Thread Female Coupler for Fuel Gas
- Dual-end design: ISO 21307 compliant socket fusion end with ASME B1.20.1 compliant female thread.
- Gas-grade PE100 compound with slow crack growth resistance.
- Automated production with real-time 360° thermal monitoring ensures quality.
- Integrated heating coil structure in the socket end.
- Orange color coding per ISO 22391 marks for gas pipeline identification.
Manufacturing Process of HDPE Socket Fusion Thread Female Coupler for Fuel Gas
Each is produced by CNC injection molding with secondary machining for thread formation.
Critical Process Parameters of HDPE Socket Fusion Thread Female Coupler for Fuel Gas
- Barrel temperature control during molding: 210±5°C
- Cooling rate gradient management: ≤15°C/min
- Thread machining axial perpendicularity tolerance: ≤0.05mm
- Heating coil positioning accuracy: ±0.1mm
- Body roundness tolerance: ≤0.8% of nominal diameter
Raw Material Characteristics of HDPE Socket Fusion Thread Female Coupler for Fuel Gas
- Density: 950 kg/m³ (ISO 1183)
- Melt Flow Rate: 0.25 g/10min (ISO 1133)
- Slow Crack Growth Resistance: S4 classification (ISO 13479)
- Thermal stability: ≥20min (200°C)
- Environmental Stress Crack Resistance: F0 rating (ISO 16770)
Typical Applications of HDPE Socket Fusion Thread Female Coupler for Fuel Gas
- is used at material transition joints in medium-pressure gas networks.
- serves casing termination seals for road-crossing pipe sections.
- The fitting provides flange conversion installations for PE-to-ball valve connections.
- is installed at service entry points for commercial and industrial gas consumers.
Application Scenarios of HDPE Socket Fusion Thread Female Coupler for Fuel Gas
- Transition connections between HDPE gas mains and metal interfaces — is the standard coupler for these points.
