Steel-lined PTFE elbow
钢衬四氟弯头
Wear-Resistant Piping / PTFE-lined series
Steel-lined PTFE elbow
钢衬四氟弯头
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Product Title and Overview
Steel-lined PTFE elbow —— Corrosion-resistant pipe fitting
Pipeline fittings specially designed for severe service conditions involving strong corrosion, high temperatures, and high pressures.
PTFE-lined steel elbows use carbon steel elbows as the base and are internally lined with polytetrafluoroethylene (PTFE/F4), combining the excellent mechanical strength of steel with the outstanding corrosion resistance of PTFE. They are ideal pipe fittings for industries such as chemical processing, power generation, and environmental protection.
Product Overview
Specifications
| Project | Key Parameters and Performance Specifications |
|---|---|
| Infrastructure | Outer layer: carbon steel (provides structural strength); Inner lining: polytetrafluoroethylene (PTFE/F4) |
| Temperature resistance performance | Wide operating temperature range: standard range –60°C to +250°C; certain specifications cover –40°C to +200/230°C. |
| Withstand voltage performance | Positive pressure: maximum allowable pressure at ambient temperature is 3–4 MPa; under 200°C operating conditions, the pressure rating is approximately 1.6 MPa. Negative pressure (vacuum‑resistant): Suitable for vacuum service, with a maximum negative pressure rating of –0.098 MPa. |
| Core Features | ✅ Exceptional corrosion resistance: withstands most strong acids, strong bases, and organic solvents. ✅ Extremely low friction coefficient: The smooth inner wall resists material adhesion, significantly reducing fluid resistance and preventing pipeline blockages. ✅ Excellent thermal stability and superior impermeability: Utilizing integral mold‑press sintering and other advanced processes to address the mismatch in thermal expansion and contraction between steel and fluoroplastics. |
| Mainstream Molding Processes | Integral molded and sintered liner process, thermoforming process, and integrated bonded molded forming process |
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