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Product Overview
Steel-lined PTFE pipes are a type of high-performance composite pipeline, made from a carbon steel or stainless steel outer shell lined with polytetrafluoroethylene (PTFE, commonly known as "Teflon") material. It combines the mechanical strength of metal pipes with the excellent corrosion resistance of PTFE, and is widely used in the transportation of strong acids, strong alkalis, organic solvents, and high-purity media.
Product Features
Excellent Corrosion Resistance
PTFE lining can withstand almost all strong corrosive media (such as concentrated sulfuric acid, hydrochloric acid, hydrofluoric acid, aqua regia, etc.), and its corrosion resistance is far superior to materials like stainless steel and FRP (Fiber Reinforced Plastic).
High and Low Temperature Resistance
Wide operating temperature range (-196℃ to +250℃), suitable for extreme working conditions.
High Purity and Non-stick Property
The smooth surface of PTFE is not prone to scaling, making it suitable for transporting high-purity media in food, pharmaceutical, and other industries.
High Mechanical Strength
The metal outer shell (carbon steel/stainless steel) provides good compression and impact resistance, making it suitable for high-pressure piping systems.
Long Lifespan and Low Maintenance
Excellent anti-aging performance, with a service life of over 10 years, significantly reducing replacement and maintenance costs.