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RUBBER & SILICONEStandard parts. Custom solutions.

Flexible heat transfer tubing silicone

Flexible heat transfer tubing silicone

Flexible silicone tubing can connect components in a liquid heating or cooling circuit when the selected tube is compatible with the circulating fluid. The tube carries the fluid between components; cooling performance also depends on the flow, heat exchanger and overall system design.

Specify the fluid temperature and pressure at the tube, including start-up and shutdown conditions. Choose the silicone compound, wall and any reinforcement for those combined conditions. A high-temperature material description does not establish a working temperature for every finished hose or fitting.

Plan bends and supports so that the line does not kink, rub against hot or moving parts, or place excessive load on its connections. A closed two-phase heat pipe uses a different heat-transfer arrangement and should not be confused with an ordinary flexible fluid hose. Define the intended cooling circuit before selecting the tubing.

Silicone Tubing Size Catalog

Compare inside diameter, outside diameter and listed wall thickness across silicone tube ranges. Confirm the material grade and application requirements for the selected part.

Food grade silicone tube

Compare Inside Diameter and Outside Diameter in mm, together with the listed Thickness and Colour. 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
Food grade silicone tube — product view
Illustrative product appearance. Refer to the selected row and part drawing for dimensions.
Part No.Inside DiameterOutside DiameterThicknessColour
FST0.5*2.10.52.10.8Transparent
FST0.8*40.841.6Transparent
FST1*3131Transparent
FST1.6*4.81.64.81.6Transparent
FST2*3230.5Transparent
FST2*4241Transparent
FST2.4*42.440.8Transparent
FST2.4*5.62.45.61.6Transparent
FST2.5*42.540.75Transparent
FST3*4340.5Transparent
FST3*5351Transparent
FST3*6361.5Transparent
FST3*8382.5Transparent
FST3.2*6.43.26.41.6Transparent
FST4*5450.5Transparent

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

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Product specifications

Product form
Flexible silicone fluid connection in a liquid heating or cooling circuit.
Operating conditions
Define circulating fluid, tube-wall temperature, pressure and start-up or shutdown conditions.
Construction
Select compound, wall and any reinforcement for the combined duty.
Routing
Provide suitable bends, supports and clearance from hot or moving parts.
System function
Ordinary fluid tubing is distinct from a closed two-phase heat pipe.

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