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constant wattage heating cable
constant wattage heating cable

SCW Constant Wattage Heat Tracing Cable

  • SCW products are mainly used for maintaining and protecting process temperatures and anti-freezing of pipelines, tanks and related equipment. The heating units of the product are ixed in a winding manner on the insulating layer, and are connected  to the two busbars respectively through welding points, forming a parallel structure. The length of the heating unit straddling the two busbars is the entire efective heating section. The parallel structure determines that it can be trimmed within the maximum length allowed by the circuit according to design requirements and actual site conditions, and used with special accessories for end sealing and power connection assembly.


    SCW is an environmentally friendly product with materials of silicon rubber and metal wires, free from any pollution.


    As the sheath and insulation both adopt the soft silicone rubber material, it can be conveniently ixed in a winding manner on complex process pipelines and equipment. The tin-plated copper shielding layer enables the parallel constant wattage cable of SCW to have good mechanical properties and electromagnetic interference resistance, easy to control, and will not produce obvious starting current inluence on the power supply side.

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  • Features
  • Specification
  • Characteristics of SCW Constant Wattage Heat Tracing Cable


    • Temperature stability: Constant output power to meet the requirements of stable power output within a wide temperature range. It is easy to monitor and control, ensuring precise temperature maintenance.

    • Easy to bend: It can be easily installed in a winding manner on pipelines and equipment with smaller diameters, and has lasting reliability. It can achieve folded bending.

    • Convenient design: Since there is no obvious starting current, additional considerations do not need to be made for electrical design and circuit breakerselection.

    • Arbitrary trimming: The characteristics of parallel circuits allow on-site trimming and installation within the maximum length range of the circuit.

    • Safe to use: The structure of the tin-plated copper shielding layer has anti-electromagnetic interference and good mechanical characteristics, and it can be used as a grounding wire.

    • Environmentally friendly and pollution-free: The materials are composed of silicone rubber and metal wires, free from any pollution.

    • Identification of node sheaths        Welding of nodes             Removal of nodes



    Characteristics of SCW Constant Wattage Heat Tracing Cable



    Product introduction


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    Product applications

    SCW parallel constant wattage heating cables are suitable for maintaining liquid low temperature in lower ambient temperatures, applications such as liquid anti-freezing, and temperature maintenance in process systems. For example,    they are used in finished oil pipelines, process water systems, dust removal systems, lubricating oil pipelines, condensate return lines, hot water pipelines, para in pipelines, asphalt pipeline storage tanks, etc.


    Pipeline freeze protection and temperature

    In the processing of liquid medium processing in chemical plant pipelines, heat dissipation occurs,   resulting in a decrease in temperature inside the pipelines, which in turn causes the liquid media to condense and block the pipelines when cooled.

    SCW is used for antifreeze and temperature maintenance in chemical plant pipelines. When used in conjunction with a temperature controller, it can accurately maintain the temperature of the pipeline or heating medium.d.

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    Instrument freeze protection

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    For instrument pipelines, when the measured medium is transmitted to the transducer through the measuring pipeline, freezing, coagulation, and crystallization precipitation often occur due to low environmental temperatures, thus affecting the accuracy of instrument measurement display.

    SCW is used for various aspects of work in industrial settings such as power plants, oil, chemical plants, water plants, etc., including instrument antifreeze and wastewater treatment.


    Tank heat tracing

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    Tanks or vessels require moderate freeze protection or even temperature maintenance to prevent changes in viscosity, crystallization of chemicals, etc. of the stored liquid due to temperature changes.

    SCW is installed at one-third of the position from the bottom of the tank to facilitate heat conduction and circulation within the tank.


    Applications of Products in the Semiconductor Industry

    High-Purity Gas and Media Delivery

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    High-purity gas delivery is one of the critical facilities in the semiconductor industry, including integrated   circuits, lat panel displays, light-emitting diodes

    (LEDs), photovoltaics, opticalibers, and other semiconductor-related ields.

    SCW is used for thermal management of gas circulation  pipelines within the equipment, as well as for waste gas treatment and exhaust heat recovery.


    High-Purity Chemical Delivery

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    High-purity chemical delivery mainly involves ultra-high purity chemical supply systems

    (equipment) and high-precision chemical blending systems (equipment).

    SCW is used to maintain speciic temperatures during chemical delivery processes and for system drainage  and exhaust heating.


    Semiconductor Material 

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    Quality control is a crucial linkin the production of

    semiconductor materials. Monitoring parameters such as temperature, pressure, and composition during the growth process is essential.

    SCW is used for temperature control in the preparation and processing of semiconductor materials.


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