Canadian customer purchasing PTFE-lined pipes

Advantages of PTFE Lined Steel Pipes

PTFE (Polytetrafluoroethylene) lined steel pipes combine the mechanical strength of carbon or stainless steel with the excellent chemical resistance of PTFE. This makes them an ideal solution for transporting highly corrosive, toxic, or high-purity chemicals in industries such as chemical processing, pharmaceuticals, food, and semiconductors.

One of the main advantages of PTFE-lined pipes is their exceptional chemical resistance. PTFE is virtually inert to almost all chemicals, including strong acids, alkalis, and solvents, across a wide temperature range. This ensures long-term durability and safety in aggressive environments where conventional materials may corrode or degrade.

Another key benefit is thermal stability. PTFE can withstand continuous service temperatures up to 260°C (500°F), making it suitable for both high-temperature and cryogenic applications. Its non-stick and low-friction surface also reduces the risk of material buildup and ensures a consistent flow, which minimizes pressure loss and improves efficiency.

From a structural standpoint, the steel shell provides mechanical strength and pressure resistance, allowing the pipe to be used in high-pressure systems while the PTFE liner protects against chemical attack. This dual-layer design extends service life and reduces maintenance costs.

Additionally, PTFE is non-toxic, non-contaminating, and FDA-compliant, which is critical for industries that require high purity and hygiene, such as pharmaceuticals and food processing.

In summary, PTFE-lined steel pipes offer an optimal balance of strength, chemical resistance, and thermal durability. They are a reliable and cost-effective solution for demanding fluid handling systems where safety, cleanliness, and long service life are top priorities.