Venus Optics
Venus Optics FEP Tubing 4mm OD 2.5mm ID 100
FEP tubing with 4 mm outer diameter, 2.5 mm inner diameter and 100 ft length
- FEP construction resists chemicals for long service life
- 4 mm outer diameter fits standard push-to-connect fittings
- 5 mm inner diameter maintains consistent flow rates
- 100 foot coil reduces joints in extended runs
- California Proposition 65 warning informs safe handling practices
FEP Tubing 4mm OD 2.5mm ID
This Venus Optics tubing is a 100-foot roll of fluorinated ethylene propylene with a 4mm outer diameter and 2.5mm inner diameter. It suits fluid-transfer tasks that require chemical resistance and transparency. The material withstands a broad temperature range and resists most solvents. Buyers receive a single continuous length for custom cutting.
Suits low-pressure lab and pneumatic lines
The tubing fits push-to-connect fittings sized for 4mm OD and handles air, water or inert gases in low-pressure systems. It is not rated for high-pressure hydraulic circuits or vacuum levels beyond typical laboratory use. Buyers who need smaller bend radii or larger flow diameters should look at alternative sizes. The product carries a California Proposition 65 notice for reproductive-harm chemicals.
Stable dimensions under continuous flow
The FEP construction maintains its 4mm OD and 2.5mm ID during sustained fluid passage without significant swelling or creep. Wall thickness remains consistent over the full 100-foot length, so flow rates stay predictable during extended runs. Surface smoothness reduces particle buildup during long-term service. Thermal cycling does not alter the critical diameters.
Highlights
- FEP construction resists chemicals for long service life
- 4 mm outer diameter fits standard push-to-connect fittings
- 5 mm inner diameter maintains consistent flow rates
- 100 foot coil reduces joints in extended runs
- California Proposition 65 warning informs safe handling practices
Specifications
| Brand | VENUS |
|---|
Questions about this item
What size barbed fittings does the 4 mm OD tubing need to seal properly?
Use barbs or push-to-connect fittings sized for 4 mm outside diameter; the 2.5 mm bore will then give the expected flow area.
Will this FEP line handle the heat from my older oil-lubricated compressor discharge?
FEP withstands continuous temperatures well above typical compressor outlet heat, so the tubing will not soften or degrade in that service.
How can I confirm the 100 ft coil has no kinks or flattening after I unroll it?
Pressurise the line to working pressure and watch for uniform expansion; a smooth, round profile along the full length shows the tube is intact.
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