Note: Debonding rubber coating from a steel casted water valve

Objective:

To heat a steel, rubber-coated water valve to 500 °F (260‚ °C) and debond the rubber coating.

End Product:

Water valve

Equipment:

Ambrell EKOHEAT 15 kW, 50-150 kHz solid state induction power supply with a workhead and coil specifically designed for this application.

Materials:

Steel water valve, 6 in  (152.4mm) diameter with rubber coating

Temperature:

500 °F (260 °C)

Frequency:

80 kHz

Testing:

A four-turn helical coil was used for debonding the rubber coating from the water valve. Power was applied for two minutes to heat the water valve slowly to 500 °F (260 °C) so the metal casting was not damaged. The part was taken out of the coil and the rubber coating was easily removed. The application testing met all of the client in ™s objectives.

Benefits:

  • No part damage

  • More environmentally-friendly process since noxious chemicals are not used 

  • Even distribution of heating

  • Consistent and repeatable results

Debonding rubber coating from a steel casted water valve

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