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Frodsham, United Kingdom

Malone N.,Heat Trace Ltd
Hydrocarbon Engineering | Year: 2011

The heat tracing industry has developed new third generation heat tracers, which combine the features of both first generation mineral insulated (M.I.) cables with second generation parallel self regulating and constant power heat tracers. Heat Trace Limited has developed and patented a parallel resistance M.I. heating cable with a constant power output per unit length. Such device can withstand 425 °C, well beyond the limits of polymers and usually within the requirements of the application. The cable's flat section maximizes heat transfer, lowers operating sheath temperature and optimizes power capability. A new metal sheathed, cut to length, mineral insulated, self regulating heater has been introduced with a temperature capability of 300 °C whether energized or not, thus exceeding the limits of known polymers. Heat Trace Limited has introduced a three phase self regulating heating cable that increases the potential circuit length to three times the limit of a single phase heater. Source


Maioria N.,Heat Trace Ltd
Hydrocarbon Engineering | Year: 2010

Neil Malone, Heat Trace Limited, UK, outlines how to optimize the design of a heat tracing system. The first consideration of creating a safe heat tracing installation is to ensure temperature safety. This is achieved preferably with the use of inherently temperature safe heating cables. Now inherently temperature safe heaters are available for almost and duties. Safety is also provided, as with all electrical circuits, by protective devices protecting against over current and earth leakage. These should be rated as closely as possible to the operating current of the heating circuit. Heat Trace Limited recognized the extent of this inefficiency in the 1980s, and patented the principle of PowerMatching. This recognizes that the required heating load at any particular moment is directly proportional to the ambient temperature. Clearly an electric heat tracing system should, after satisfying the considerations described previously, aim to have the least capital cost. Source


Trademark
Heat Trace Ltd | Date: 2001-02-02

electric cables electric heating cables; electronic control systems; thermostats. support and maintenance service; design services; all for heating systems and temperature control systems.


Patent
Heat Trace Ltd | Date: 2011-03-18

According to a first aspect of the present invention, there is provided a self-regulating electrical heating cable comprising: a first power supply conductor extending along the length of the cable; a second power supply conductor extending along the length of the cable; a third power supply conductor extending along the length of the cable; the first and second power supply conductors being in electrical connection with each other via a first electrically conductive heating element body having a positive temperature coefficient of resistance, and the second and third power supply conductors being in electrical connection with each other via a second electrically conductive heating element body having a positive temperature coefficient of resistance, and wherein, in use, the first, second and third power supply conductors are not physically connected to one another.


Patent
HEAT TRACE Ltd | Date: 2014-05-21

An electrical heater comprising; a first conductor, a second conductor, and a heating element disposed between the first conductor and the second conductor, wherein the heating element comprises an electrically conductive material distributed within a first electrically insulating material, wherein the first electrically insulating material is an ethylene acetate or ethylene acrylate copolymer, and wherein the electrical heater comprises a stack, the first conductor, the second conductor and the heating element comprising layers of the stack.

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