PTFE Steel-plastic Component Pipe

PTFE Steel‑plastic Component Pipe – Product Overview

The PTFE Steel‑plastic Component Pipe from Ningbo Kaxite Sealing Materials Co., Ltd. is a high‑performance piping solution that uniquely combines the outstanding chemical resistance of PTFE (polytetrafluoroethylene) with the mechanical strength of carbon steel. Manufactured using premium ram‑extruded PTFE tubing and a proprietary tight‑fit lamination process, this pipe ensures reliable fluid transport even in the most demanding industrial environments. It is engineered to overcome the limitations of conventional metal or pure plastic pipes, offering exceptional durability, low maintenance, and long service life.

Key Features

• Superior Corrosion Resistance – The inner PTFE layer provides inertness to almost all corrosive media, including strong acids, alkalis, organic solvents, and aggressive gases.
• High Strength & Structural Integrity – The outer steel casing delivers robust mechanical protection, allowing the pipe to withstand high internal pressures and external loads without deformation.
• Wide Operating Temperature Range – Suitable for continuous service from –60 °C to +260 °C, making it ideal for both cryogenic and high‑temperature processes.
• Excellent Pressure Performance – Designed for a positive working pressure of 1.6 MPa and a negative pressure (vacuum) of 77 kPa, ensuring stable operation under varying pressure conditions.
• Leak‑tight Construction – The special processing technology creates a tight bond between the PTFE liner and the steel pipe, minimising the risk of delamination or leakage.
• Low Friction & Non‑stick Surface – The smooth PTFE inner surface reduces flow resistance and prevents scale build‑up, improving energy efficiency and reducing cleaning downtime.
• Long Service Life – Resistant to aging, UV radiation, and thermal cycling, significantly lowering total cost of ownership compared to unprotected metal pipes.

Technical Specifications

The pipe is available in a range of nominal diameters (Dg) to suit different flow requirements. The following table outlines the standard dimensions (all values in mm).

Custom lengths and flange dimensions (e.g., to ASME, DIN, or JIS standards) can be manufactured upon request.

Typical Applications

• Chemical & Petrochemical – Transport of acids, alkalis, chlorides, and organic intermediates.
• Pharmaceutical & Biotechnology – Transfer of purified water, solvents, and active ingredients where product purity is critical.
• Energy & Power Generation – Cooling water circuits, flue gas desulphurisation, and corrosive effluent lines.
• Metal Finishing & Electroplating – Circulation of etching solutions and plating baths.
• Food & Beverage – Conveying of food‑grade liquids (with appropriate FDA‑compliant PTFE grades available).
• Water & Wastewater Treatment – Handling of aggressive disinfectants and chemical coagulants.

Customisation & Support

Kaxite Sealing offers flexible customisation options to meet specific project requirements:

• Custom diameters, lengths, and flange ratings – tailored to your piping layout.
• Alternative liner materials – e.g., modified PTFE or FEP for enhanced performance.
• Special end connections – including threaded, grooved, or welded ends.
• Technical consultation – our engineering team assists with material selection, pressure/temperature calculations, and installation guidelines.

We maintain a robust inventory of standard sizes to ensure fast delivery, while our in‑house manufacturing capabilities allow us to accommodate urgent or complex orders without compromising quality.

Why Choose Kaxite Sealing?

• ISO 9001‑certified quality management – every pipe undergoes rigorous inspection, including dimensional checks, pressure testing, and visual examination.
• Over 10 years of experience in PTFE lining and sealing technology.
• Exported to 100+ countries with a strong reputation for reliability and consistency.
• Competitive pricing without sacrificing material quality or workmanship.
• Responsive after‑sales support – we provide installation guidance, troubleshooting, and replacement parts as needed.

Get a Quote

For more details, technical data sheets, or a customised quotation, please contact our sales team using the inquiry form below. We are ready to help you optimise your fluid handling systems with our high‑quality PTFE Steel‑plastic Component Pipes.