The structure of the self-regulating electric heating cable is composed of a core, a core strip, an insulation, a shielding layer, a sheath. The voltage by classification includes voltage levels of 12V, 24V, 36V, 110V, 220V, 380V, etc.; the classification by production materials include ordinary type electric heating cable, flame-retardant electric heating cable (flame-retardant core belt, flame-retardant insulation, flame-retardant sheath) and Fluorine material electric heating cable (fluorine material core belt, fluorine material insulation, fluorine material sheath); for application classification, including civil solar energy, industrial, geothermal heating, fire protection, thermal oil recovery, etc.
Technical Parameter of different types of self-regulating cable and advantages
| Low temperature series | Intermedium temperature series |
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(1) Standard color: black / blue (2) Temperature range: the maximum maintenance temperature is 65±5°C, and the maximum temperature is 90°C (the core belt withstands) (3) Construction temperature: polyolefin minimum -40 ° C, fluorine material minimum -30 ° C (4) Starting current: ≤0.5A/m (5) Thermal stability: After the thermal performance test of the electric heating cable, its power should be maintained at 90% of the original value. (6) Bending radius: 25.4mm at -20°C and 35mm at -30°C (7) Insulation resistance: The insulation resistance between the electric heating conductor and the metal shield should not be less than 500 MΩ. |
(1) Standard color: brown (2) Temperature range: the maximum maintenance temperature is 90±5°C, and the maximum temperature is 125°C (the temperature that the core belt withstands) (3) Construction temperature: polyolefin minimum -40 ° C, fluorine material minimum -30 ° C (4) Starting current: ≤0.6A/m (5) Thermal stability: After the thermal performance test of the electric heating cable, its power should be maintained at 90% of the original value. (6) Bending radius: 30.4mm at -20°C and 40.6mm at -30°C (7) Insulation resistance: The insulation resistance between the electric heating conductor and the metal shield should not be less than 500 MΩ. |
| High temperature series | Advantages |
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(1) Standard color: red (2) Temperature range: the highest maintenance temperature is 125±5°C, and the maximum temperature is 160°C (the temperature that the core belt withstand) (3) Construction temperature: polyolefin minimum -40 ° C, fluorine material minimum -30 ° C (4) Starting current: ≤0.9A/m (5) Thermal stability: After the thermal performance test of the electric heating belt, its power should be maintained at 90% of the original value. (6) Bending radius: 38.5mm at -20°C and 49mm at -30°C (7) Insulation resistance: The insulation resistance between the electric heating conductor and the metal shield should not be less than 500 MΩ. |
(1) Automatically adjust the output power and compensate according to the actual heat required by the heat tracing system, which is a new generation of energy-saving constant temperature heater.
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