Heat-Shrink System using Air

Client requirement:


A client in the chemical industry requires a hot air system to shrink and seal plastic caps over LPG gas bottle valves.


  • Hazardous environment
  • Prevention of burnout when outlet is clogged
  • Rugged outdoor use - weather proof


Our engineers designed  a hot air fan/ heater system with a customised control board - all fitted into a waterproof housing. Careful design of airflow and safety cut-outs in the control panel were incorporated to reduce fire hazard. The heating system was installed in a well ventilated area at safe distance to the hazardous environment.

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Please describe your existing or proposed process in as much detail as possible.
Please describe any inefficiencies or specific requirements of the existing system if applicable.
Please describe the optimal results expected from the new system in as much detail as possible.
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