HTEK HEATING CABLE OF CONSTANT POWER
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HTEK HEATING CABLE OF CONSTANT POWER

Temperature maintenance or frost protection of long-distance pipelines

High-performance resistive heating cables of series resistance of constant power NTEK are used in cases when the length of the heating circuit exceeds the maximum lengths for resistive heating cables of parallel resistance and it is necessary to maintain or withstand the effects of high temperature.

Chains up to 3,658 m long can be powered from a single point.

The series resistance circuit of the TEK cable provides the same specific heat dissipation power over the entire length of the cable without voltage drop.

TEK cables are designed for use in both normal and explosive zones.

Technical specifications

  • Operating voltage up to 750 V
  • The maximum maintenance temperature is 204°C
  • The maximum temperature of continuous exposure in the off state is 260 ° C
  • Minimum installation temperature -60°C


Minimum bending radius:

  • at - 15°C 22 mm
  • at - 60°C 32 mm
  • Temperature class T2 ... T6

(with a stable design or the use of temperature limiters)

Construction

  1. Heating cores (2 or 3)
  2. Dielectric insulation made of fluoroplast over fiberglass composite
  3. Common fluoroplast shell
  4. Nickel-plated copper braid
  5. The fluoropolymer shell Provides additional protection of the cable and the braid from the effects of chemically active or corrosive media.