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FEP Corrugated Tubing - High Flexibility · High Corrosion Resistance · High Purity Transmission Pipeline Solution

FEP corrugated tubing is a flexible corrugated hose made from FEP material, offering exceptional flexibility and superior chemical resistance. It is ideal for conveying corrosive media, ultra-pure liquids, or gases, and is capable of withstanding complex bending environments, making it an excellent choice for high-end fluid conveyance systems.

FEP Spiral Tubing Specifications and Parameters

Inner diameter range	1/8" to 1-1/2"
Length options	Standard rolls or custom cutting
Temperature range	-60°C to +200°C
Pressure rating	Determined by corrugation density and structure (customizable reinforced layers available)
Connection methods	Compatible with PTFE/FEP fittings, metal interfaces, flanges, and other connection options

Flexible Corrugated FEP Hose Advantages and Features

Extremely strong chemical inertness

Resistant to over 98% of acids, alkalis, salts, and organic solvents, suitable for conveying the most corrosive media.

Excellent high-temperature performance

Wide operating temperature range: -60°C to +200°C, suitable for environments with alternating hot and cold conditions.

Ultra-high flexibility & compressibility

The corrugated structure allows the pipe to bend, expand, and compress, suitable for narrow or dynamic installation spaces.

High-Purity Conveyance Material

FEP does not release impurities, compliant with FDA and USP Class VI standards, suitable for conveying pharmaceutical-grade and electronic-grade high-purity media.

Strong Anti-Adhesion Properties & Smooth Inner Wall

Reduces fluid residue, facilitates cleaning and sterilization (compatible with CIP/SIP cleaning systems).

Semi-Transparent Design for Visual Monitoring of Fluid Flow

Allows direct observation of liquid or gas flow status, facilitating detection of blockages or contamination.

Customization services

Customizable corrugation density, wall thickness, and color (e.g., transparent/opaque)
Optional steel wire spiral reinforcement or outer silicone protective layer
Development of medical-grade, electronic-grade, or anti-static FEP corrugated tubing
3D CAD drawings, samples, and technical data sheets available

Convoluted FEP Hose Application

Pharmaceuticals and biopharmaceuticals

Transportation of purified water, pharmaceutical solutions, buffers, and fermentation media

Fine chemicals/corrosive medium transportation

Transportation of strong acids/bases and organic solvents

Laboratory systems

Toxic gas sampling and precise reagent transfer

Semiconductor manufacturing

Ultra-pure chemical transportation systems

Medical devices

Breathing tubes, sampling catheters, and flexible connections for diagnostic equipment

Aerospace/automotive

Corrosion-resistant, high-temperature flexible connection tubes

FAQ

Q: 1.Are FEP corrugated pipes suitable for gas transportation?

A: Yes. FEP corrugated pipes have good airtightness and are often used to transport corrosive gases such as chlorine and hydrogen fluoride, or high-purity gases in semiconductor coating processes. Their transparent nature allows for easy observation of gas flow.

Q: 2.How much more expensive is FEP corrugated pipe than ordinary plastic corrugated pipe?

A: The cost is about 5-10 times that of PVC/PE corrugated pipes. Due to the high price of FEP raw materials and the complex corrugation forming process, however, their corrosion resistance, flexibility and service life are far superior to ordinary plastics. They are suitable for special scenarios with high corrosion and high cleanliness, and the long-term comprehensive cost is lower.

Q: 3.Can FEP corrugated pipes be customized to special specifications?

A: Customization is supported: inner diameter 0.5mm~100mm, length can be cut as needed, and can be processed into special shapes such as spiral and U-shape to meet the personalized needs of non-standard equipment such as bending radius and amplitude attenuation. Specific scene parameters need to be provided to evaluate feasibility.

Q: 4.What are the advantages of FEP corrugated pipes compared with FEP chemical hoses?

A: The corrugated structure of FEP corrugated pipes has its own expansion and contraction compensation capability, which can absorb displacement without additional accessories, and has a higher vibration attenuation rate (≥60%). The all-FEP seamless design has better corrosion resistance integrity than the inner lining joint structure of chemical hoses, making it more suitable for high-pressure vibration and strong corrosion scenarios.

Q: 5.Can FEP corrugated tubing be used in clean rooms or dust-free environments?

A: Absolutely. Its low outgassing, chemical resistance, and high-temperature sterilization properties make it ideal for use in clean rooms.

Q: 6.Does the corrugated tube affect fluid flow rate or cause pressure loss?

A: The corrugated structure may slightly increase internal wall resistance, but this has minimal impact in low-pressure or medium-pressure applications. For applications requiring higher flow rates, smooth-lined versions or short-distance use can be selected.

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