PTFE Smooth Bore Tube
Certifications: ISO9001:2015 │ RoHS Directive (EU) 2015/863 │ US FDA 21 CFR 177.1550 │ EU GHS SDS
PTFE Smooth Bore Tube
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Your PTFE Tube Supplier
SGS & ISO Audited PTFE Hose
BESTEFLON, a professional PTFE Tube manufacturer, has been approved by SGS, and obtain ISO quality system certification, ISO environmental management system certification.
Manufacture Test Certificate
We will issue a testing certificate for each order before shipment. Make sure to the PTFE Tube to meet chemical composition standards and achieve mechanical performance standards.
0% Quality Complaint
BESTEFLON has an advanced in-house quality testing lab, QC inspection team, 100% inspected PTFE Tube before shipment, Guarantee the product quality, and eliminates your concerns.
Fast Delivery
BESTEFLON keeps stable delivery time 25 days or less. We have sets of production equipment and testing system that ensure your delivery date. Even in peak season, we can catch the delivery time. There will be no delay.
PTFE Smooth Bore Tube Samples and Supply Forms
Why Choose PTFE Smooth Bore Tube?
Ptfe Smooth Bore Tube Common Size Range
| No. | Specification | Outer diameter | Inner diameter | Tube Wall Thickness | Working pressure | Burst pressure | |||||
| mm | (inch) | mm | (inch) | mm | (inch) | (psi) | (bar) | (psi) | (bar) | ||
| 1 | 1/8″*1/16″ | 3.17 | 0.125 | 1.58 | 0.062 | 0.8 | 0.031 | 218 | 15.0 | 725 | 50 |
| 2 | 3/16″*1/8″ | 4.76 | 0.187 | 3.17 | 0.125 | 0.8 | 0.031 | 174 | 12.0 | 638 | 40 |
| 3 | 1/4″*3/16″ | 6.35 | 0.250 | 4.76 | 0.187 | 0.8 | 0.031 | 131 | 9.0 | 464 | 32 |
| 4 | 5/16″*1/4″ | 7.93 | 0.312 | 6.35 | 0.250 | 0.8 | 0.031 | 102 | 7.0 | 363 | 25 |
| 5 | 3/8″*1/4″ | 9.52 | 0.357 | 6.35 | 0.250 | 1.5 | 0.059 | 174 | 12.0 | 638 | 44 |
| 6 | 3/8″*5/16″ | 9.52 | 0.357 | 7.93 | 0.312 | 0.8 | 0.031 | 87 | 6.0 | 319 | 22 |
| 7 | 1/2″*3/8″ | 12.7 | 0.500 | 9.6 | 0.378 | 1.5 | 0.059 | 131 | 9.0 | 464 | 32 |
| 8 | 5/8″*1/2″ | 15.87 | 0.625 | 12.7 | 0.500 | 1.5 | 0.059 | 102 | 7.0 | 363 | 25 |
| 9 | 3/4″*5/8″ | 19.05 | 0.750 | 15.87 | 0.625 | 1.5 | 0.059 | 87 | 6.0 | 319 | 22 |
* Meet SAE 100R14 standard.
* Customer-specific products may be discussed with us for detailed.
Applications For PTFE Tube
3D Printer Component Supply
Provides an ultra-low friction, smooth filament path essential for precise 3D printing. We offer standard-sized tubing optimized for distributors and aftermarket channels, alongside bulk bare tube support for high-volume printer manufacturers.
Coffee Machines and Beverage Equipment
Specifically engineered for high-temperature hot water and beverage fluid paths. Its superior chemical resistance and non-stick surface ensure easy cleaning and stable fluid transfer, maintaining flavor purity in commercial and domestic equipment.
Food Equipment and Liquid Transfer
Fully compliant with food-contact safety standards, providing a hygienic and clean inner path for sensitive liquid transfer. The design allows for easy replacement or seamless integration into complex downstream food processing assemblies.
Industrial Fluid Handling
A reliable solution for the safe transfer of aggressive chemicals, organic solvents, and hot industrial fluids. Its robust thermal stability ensures long-term performance in general and specialized industrial transfer systems.
PTFE Smooth Bore Tube vs Other PTFE Tube Types
PTFE Smooth Bore tube vs PTFE Capillary Tube
PTFE smooth bore tube is designed for general fluid transfer with a consistent inner diameter that balances flow rate and pressure drop. Its wall thickness and bore size suit standard industrial, lab, or chemical dosing applications.
PTFE capillary tube features extremely small inner diameters and ultra-tight tolerances (±0.05 mm or less). It is engineered for precision metering, microfluidics, and analytical instrumentation where flow restriction is intentional and exact dimension control is critical.
PTFE Smooth Bore tube vs PTFE Convoluted Tube
PTFE smooth bore tube provides an uninterrupted inner wall, minimizing turbulence and particle entrapment. It is the preferred choice when purity of flow, easy cleaning, and low shear stress are required.
PTFE convoluted (corrugated) tube incorporates helical or annular ridges, granting superior flexibility and a smaller bend radius. It excels in tight spaces, dynamic robotics routing, and applications where the tube must bend repeatedly without kinking, though its inner surface may trap minute residues.
When to Choose Smooth Bore Tube
The application demands:
Clean inner surface: Ideal for semiconductor, food contact, or medical media where flushability and non-stick properties prevent cross-contamination.
Stable transfer: Maintains consistent pressure and full flow profile without the minor pressure pulses found in convoluted paths.
Bare tube for resale or processing: Smooth exterior and precise cut lengths suit downstream overbraiding, heat shrinking, or custom assembly fabrication.
Custom PTFE Smooth Bore Tube Supply
Custom Size and Wall Thickness
Non-standard ID/OD: Supplied to exact millimeter or decimal inch drawings.
Wall thickness tuning: Achieve desired burst pressure or bending stiffness.
Project-specific specs: No MOQ penalty for first-article development runs.
Cut Length or Coil Supply
Precision Cut Length: Toleranced to ±0.5 mm or better, deburred and ready for immediate assembly.
Continuous Coil Supply: Long-run spools for automated cutting machines or local fabrication shops.
Packaging, Labeling, and Bulk Orders
Neutral / Plain Packaging: Suitable for rebranding or cleanroom secondary operations.
Custom Label Spec: If you need, we apply your part number, QR code, or local language batch traceability.
Bulk Order Efficiency: Consolidated container loads or pallet programs for high-consumption manufacturing lines.
Why Work With Besteflon Industrial?
Bare Tube Supply for Distributors and Processors
We offer high-consistency bare tube supply specifically designed for wholesale distributors and specialized processors. Our tubes feature uniform wall thickness and precise tolerances, making them perfect for resale or as raw materials for value-added fabrication. Whether you require standard stock for your warehouse or project-based custom lengths, we provide the stable quality foundation your business depends on.
Stable Production for Standard and Custom Orders
Besteflon ensures reliable supply for standard specifications while maintaining the flexibility to handle complex custom orders. We prioritize consistency between samples and bulk production. With professional extrusion lines, we maintain stable production cycles to support your inventory management and tight project deadlines.
Support for Export, Bulk Packing, and OEM Requests
We are fully equipped for international export supply, offering robust bulk packing solutions that withstand long-distance transit. From custom labeling and branding (OEM support) to specific packaging formats, we adapt to your market requirements. Our professional workflow—from rapid sampling to rigorous bulk fulfillment—ensures a seamless sourcing experience for global procurement teams and large-scale processors.
FAQ
1. What is the maximum operating temperature for your PTFE smooth bore tube?
Our high-performance PTFE tubing is engineered to withstand extreme thermal environments, with a continuous operating temperature range from -65°C to +260°C (-85°F to +500°F).
2. How does the smooth bore design benefit 3D printer Bowden systems?
The ultra-low friction smooth bore ensures a seamless filament path, which is critical for precise extrusion and retraction. This minimizes the risk of filament clogs and provides consistent pressure, enhancing the overall print quality in high-speed FDM 3D printers.
3. Are Besteflon PTFE tubes compliant with FDA and food safety regulations?
Yes. Our PTFE smooth bore tubes are manufactured using 100% virgin PTFE resin and are fully compliant with FDA and RoHS standards. They are odorless, non-toxic, and chemically inert, making them safe for food contact and medical fluid transfer.
4. Is the PTFE smooth bore tube compatible with aggressive chemicals and solvents?
Absolutely. PTFE is renowned for its universal chemical resistance. Our smooth bore tubes are compatible with almost all industrial chemicals, concentrated acids, and organic solvents, ensuring stable and safe transfer in aggressive industrial environments.
5. Do you offer custom cut lengths and specific metric or imperial sizes?
Yes, we provide highly flexible sizing options. While we maintain a large stock of standard metric (mm) and imperial (inch) sizes, we also offer precision custom cut lengths to meet your exact assembly requirements, helping you reduce material waste.
6. Why is a smooth bore better than convoluted tubing for beverage applications?
The smooth inner wall prevents residue buildup and bacterial growth, which is essential for hygienic beverage systems like coffee machines. It is much easier to clean and sanitize compared to convoluted tubes, ensuring flavor purity and long-term system reliability.
7. What are the pressure ratings for your PTFE smooth bore tubing?
Pressure ratings depend on the tube’s diameter and wall thickness. Our uniform wall thickness ensures predictable burst and working pressures. We can provide detailed technical data sheets (TDS) for specific sizes to ensure they meet your system’s safety requirements.
8. How do you ensure consistency between samples and bulk production?
We strictly implement all inspections.Every bulk order is manufactured to match the exact specifications and finish quality of the approved sample. Our precision extrusion lines and ISO 9001 certified QC process guarantee high consistency across all production batches.
9. Do you support OEM requests, such as custom labeling?
Yes, Besteflon is a dedicated OEM manufacturer. We support custom branding, private labeling, and specific bulk packaging requests.
10. Can these tubes withstand continuous high-temperature steam in commercial espresso machines?
Absolutely. Our PTFE tubing is rated for continuous operation up to 260°C (500°F), making it ideal for high-pressure steam and boiling water lines in professional beverage equipment.