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Product Catalogue

Industrial & Special Applications

09E · Electrical Heat Tracing

An electrical heat-tracing system is much more than just the heating cable. nVent provides a complete system including the transformer, control and monitoring panels, power connections, heating cable, end terminations, and related accessories. We manage the heat you need – from pipe freeze protection, or process temperature maintenance, to process heatup applications.

09E1 :: Self-Regulating Technology

nVent RAYCHEM revolutionized the heat-tracing industry when it invented self-regulating heating cable technology over 40 years ago. Self-regulating heating cables incorporate a heating element made of polymer mixed with conductive carbon black. This special formulation of materials creates an electrical path for conducting current between the parallel bus wires along the entire cable length. In each heating cable, the number of electrical paths between the bus wires changes in response to temperature fluctuations, allowing for more uniform temperatures. Additionally, the ability to cut-to-length on site allow for easy installation. Applications include: freeze protection, temperature maintenance, viscosity control, or anti-condensation for any process in pipes, tanks or vessels.

09E2 :: Power-Limiting Technology (VPL)

"The nVent RAYCHEM Power-Limiting (VPL) heating cable is based on a coiled resistor alloy heating element wrapped around two parallel bus wires. The resistance of this heating element increases as its temperature increases, creating a positive temperature coefficient (PTC) effect. VPL can be used for high power output and /or high temperature exposure requirements which can reduce the number of heating cable runs required. Applications include: all industrial applications with a need for high maintain or high continuous exposure temperatures.

09E3 :: Mineral Insulated Technology (MI)

The PYROTENAX brand has been synonymous with the production of the highest quality mineral insulated (MI) systems for decades. Now rebranded to nVent RAYCHEM, these heating systems provide the optimum solution when extreme high power outputs and temperatures are required. Applications include: industrial processes with a need for very high maintain temperatures (<600°C) or extreme exposure temperatures (<1000°C).

09E4 :: Skin-Effect Heat-Tracing Technology (STS)

"The nVent RAYCHEM STS Skin-Effect Heat-Tracing System is a multipurpose engineered technology configured to deliver heat for medium to long pipelines with circuit lengths up to 25 kilometers/15 miles. Applications include: temperature maintenance in material transfer lines, snow and ice melting, tank foundation heating, and subsea transfer lines. This system is ideally suited for the transportation of critical temperature maintain applications such as heavy or waxy crude oil and sulphur and can be bundled with Fiber Optic Distributed Temperature Sensing Systems (DTS) to provide the user with real time temperature monitoring for the entire length of the pipeline.

09E5 :: Electrical Underfloor Heating

Smart underfloor heating can be installed under any floor. It does not take up any space in your living area, giving the freedom to position furniture freely. At home or in the office, in the bathroom or in the living area, nVent RAYCHEM smart underfloor heating systems provide a warm floor and a pleasant room temperature. Our various systems can be installed under all floor coverings like tiles, marble, wood, laminate or carpet.

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