Heating Cables

⦁ Heating Cables (Heat tracing cable)

⦁ Electric Heating Cables Heat Tracing

The use of electric heating cables for heat tracing in pipelines in industrial facilities is increasing. Compared to steam and hot water systems, electrical heat tracing is more costly to install and easier to use.

This is due to the reliability and longevity of heating cables. Their flexibility and varying power ratings ensure energy efficiency and ease of control in applications.

Heating cables are connected to advanced control systems, allowing for instantaneous and very precise control of line temperature. Thanks to the variety of insulation structures, heating cables are suitable for all types of harsh conditions. Unlike steam and hot water lines, they are not subject to corrosion or maintenance, resulting in low operating costs and no maintenance or repairs.

⦁ Heat Tracing with Self-Limiting Heating Cables

Pipeline Heating with Self-Limiting Heating Cables

This cable's structure consists of two heating wires embedded in a heating matrix doped with carbon particles. As temperatures rise during operation, molecular expansion increases the distance between the carbon particles. Resistance increases, reducing output power. When temperatures drop, this process reverses, increasing output power. This physical property means the heating wire will never overheat, can be mounted crosswise, stacked, and operated without a temperature controller.
Self-limiting heating cables offer significant advantages over other heating cable types. One of the most important is their ability to be cut to any desired length.
Because it can be cut to the desired length in applications, the cable is free of wastage. To use self-regulating cable, several steps must be performed at the beginning and end of the heating cables. Because the cable can be cut to the desired length, the heating cable cannot be energized without a termination and finishing connection. A termination (connection kit) is the connection type required to energize the heating cable. End seal kits are required to ensure that the self-limiting heating cable completes its circuit and heats up, preventing any external liquid ingress. Each self-limiting heating cable must be tested for workability and insulation after the termination and finishing connections are completed.

⦁ Heat Tracing with Series Resistance Heating Cables

⦁ Pipeline Heating with Series Resistance Heating Cables

In series resistance heating cables, the energy-carrying and heat-producing parts are the same, made of chrome-nickel wire. These cables can be manufactured with varying resistances. The resistance of these cables is directly proportional to their length, and certain resistances can be cut to specific lengths, depending on the desired power level.
When selecting cables, external insulation should be selected based on environmental conditions, chemical resistance, and temperature range. Proper insulation must be selected to prevent damage to the cable in the event of an explosion or impact. Because heating cables have specific resistance values, they are limited to a specific length for the desired power rating and cannot be lengthened or shortened.
Mineral-insulated series resistance cables are commonly used on high-temperature lines. Stainless steel and Alloy 825 are the preferred materials for high-temperature process control and are ideal for freeze protection or viscosity control applications subject to periodic high temperatures.

• Heat Tracing with Constant Power Heating Cables

Pipeline Heating with Constant Power Heating Cables

Each meter of constant-power resistance cables delivers constant energy at any temperature. Their structure consists of different conductors for both current-carrying and heat-generating components. These cables can be cut to any length and used. They do not require a cold end, and their installation and single-end powering make them extremely easy and cost-effective for all types of heat tracing applications.
These heating cables are resistant to high temperatures and come in a variety of power ratings, making them suitable for a wide range of applications, including explosive environments. These cables, manufactured to high power ratings, are made of insulation materials such as Teflon-FEB and PTFE, which offer high resistance to almost all aggressive environments, and can be used at operating temperatures ranging from 180°C to 260°C.
It is essential that Constant Power Heating Cables be controlled via temperature control.