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How Do Self-Regulating Heating Cables Work?

Posted by Raychem Winter Expert on Nov 28, 2017 3:43:15 PM

Self-regulating freeze protection systems offer protection against burst water pipes, frozen roof gutters, ice or snow covered ramps, stairways and walkways. The use of these systems provides a reliable and long-term solution to costly damage or operational disturbances.

Despite being a productive counter to ice damage, thermal insulation alone cannot be relied on to offer total protection against frost damage to piping. The potential risk extends to buildings with low or irregular utilization. Icing can also occur in drains and sewers.

Installation of self-regulating freeze protection systems can protect pipework from damage of this kind. The self-regulating heating cable is attached in a straight line underneath the insulation on the pipe. Heating power is applied in relation to the ambient temperature to maintain a holding temperature above freezing meaning that as the ambient temperature changes, the differential with the holding temperature, heat flow and energy consumption are reduced accordingly.

Attention should also be paid to the danger of snow and ice forming and blocking roof gutters and down pipes. There have been many instances of icicles falling from gutters causing serious injuries to passers-by. If temperatures rise during the day the melt water cannot run off through the drains and will spill over courtyards and walkways to refreeze at night producing a dangerously icy surface. The gutters and drains themselves may also be damaged – a malfunctioning roof draining system poses risks to the building itself, especially to the roof and facade.

Self-regulating heating cables are highly effective in protecting pipework against frost damage and are also safe. Self-regulating heating cable technology is designed for a variety of applications including inside homes and buildings. Add all of this together and it’s easy to see that frost damage to buildings and service lines can be avoided while reducing operating costs thanks to the functionality and versatility of freeze protection systems.

Watch this video to learn about self-regulating heat tracing technology:  



Topics: Commercial Applications, Winter Safety, Electric Heat Tracing, Pipe Freeze Protection, Surface Snow Melting, Roof & Gutter De-Icing

About our blog

Winter is a time to enjoy, not to fear the hardships it sometimes brings. In this blog, our Raychem Winter Experts share knowledge and tips on how to take the stress out of the colder days of the year. We specialize in keeping:

  • processes and operations running smoothly in industrial environments
  • buildings, infrastructure and the people using them safe from harm in commercial and residential environments.

No matter how extreme the weather conditions, Raychem winter solutions offer the best insurance for your processes and property against snow and ice-related emergencies.

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