What does the electric heating system consist of and how does it work?
June 13 , 2025
Electric Tracing System: Components and Working Principle
Many customers are familiar with electric tracing systems for insulation, but most are unaware of their components and working principles. Below is a detailed introduction.
The other end is sealed with this box, and heat-shrink tubing must be applied.
Important: Never connect the two ends of the heating cable or parallel bus bars directly.
Aluminum Foil Tape
Expands the heating surface of the cable, improving thermal distribution and efficiency.
Thermal Adhesive Tape
Secures the heating cable to pipes or equipment.
Stainless steel zip ties may also be used for fixation.
Warning Labels
Affixed to the outer surface after installation as a safety reminder and power indicator.
Working Principle of Electric Tracing
The principle is straightforward: Heating elements are installed between the insulation layer and the object to be heated. During operation, these elements maintain the target temperature, ensuring fluids or equipment remain within the desired range.
In Low-Temperature Environments:
The conductive polymer expands, reducing current flow and heat output, thus stabilizing the temperature.
In Overheating Conditions:
The polymer expands significantly, nearly cutting off all current and minimizing heat emission.
This self-regulating mechanism ensures efficient insulation. When temperatures exceed limits, heat generation ceases automatically.
Key Notes
Always follow safety guidelines during installation.
Proper component selection ensures system reliability and longevity.