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Self-regulating Heating Cables ELSR
The ELSR (eltherm-self-regulating) heating tape can be used for frost protection and maintaining constant temperatures on vessels, pipes, valves, etc.. Except for the connections, the heating cable may be immersed to fluids. If used in an aggressive environment (the chemical or petrochemical industry), we lag the heating cable with a special chemically resistant outer jacket (fluoropolymer).
The matrix is the most important quality aspect for self-regulating heating cables. In order to be able to exercise the greatest possible influence on this production process, we manufacture the granulate for the matrix ourselves. As a result of this, eltherm is one of the top manufacturers of self-regulating heating cables in the world. This is also influenced by the special pre-treatment of the components and our long-time experience with these parameters. We are therefore able to guarantee constant high quality for the Canadian market.
Function of Self-regulating Heating Tapes
Self-regulating heating tapes consist of two parallel bus wires embedded in a networked plastic heating element, doped with surrounding carbon particles. If the temperature increases during operation, the plastic expands due to molecular expansion and the distance between the carbon particles increases. Resistance increases and output drops. When it cools down, this process is reversed and output increases.
This physical property not to exceed the specified temperatures also facilitates the cross-routing of self-regulating cables and managing without a temperature cut-out device.
Our products for use in potentially explosive atmospheres are checked and approved in accordance with Directive 94/9/EC. Apart from ATEX, IECEx, Nepsi, ABS and EAC certification, for instance, we also meet the strict requirements of the CSA and FM certification. Learn more about our certificates and approvals
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