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RUBBER & SILICONEStandard parts. Custom solutions.

Compatible Tubing Silicone Oil

Compatible Tubing Silicone Oil

Choosing compatible tubing for silicone oil begins with identifying the fluid, including its viscosity and additives. Silicone oil and silicone rubber are different products, and the shared name does not establish compatibility. Ordinary silicone rubber can swell in silicone oils, so it should not be treated as the default choice.

Assess candidate tube materials under the actual fluid temperature, contact duration and pressure. Consider changes in dimensions, hardness and mechanical condition as well as visible damage. A tube that initially fits a connector may lose retention if its material changes during prolonged contact.

The bore, wall and fittings must also suit the oil’s flow behavior and the installed route. Where the line is used for heating or temperature control, include the hottest operating condition and the cleaning fluid in the assessment. Select the tube for the exact circuit rather than extending a recommendation for one oil to another formulation.

Rubber Hose Size Catalog

Compare tube bore, outside diameter and available wall thickness. Confirm material compatibility and operating requirements for the selected hose.

Rubber Hose

Compare Inside Diameter and Outside Diameter in mm. The cross-section drawing identifies the bore and outside diameter; confirm the selected tube material and service requirements.

Dimension guide
Tube cross section — Outside Diameter and Inside Diameter
Profile reference. Use the dimension letters and units in the selected table and confirm the part drawing.
Product appearance
Rubber Hose — product view
Illustrative product appearance. Refer to the selected row and part drawing for dimensions.
Part No.Inside DiameterOutside Diameter
RL5-16516
RL7-16716
RL3-19319
RL5-19519
RL7-19719
RL3-25325
RL5-25525
RL7-25725
RL3-32332
RL5-32532
RL7-32732
RL3-38338
RL5-38538
RL7-38738
RL3-45345

Need a different size? Share your drawing, mating dimensions and intended use to discuss a suitable part.

Discuss Your Requirements

Product specifications

Product focus
Tubing selected for a specified silicone-oil circuit.
Fluid identity
Oil formulation, viscosity and additives.
Compatibility assessment
Evaluate dimensional and material changes at actual contact temperature, duration and pressure.
Connection security
Assess swelling, retention and fitting geometry after fluid exposure.
Circuit layout
Match bore, wall and routing to flow and include the hottest and cleaning conditions.

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