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2021

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11

MI mineral insulated heating cable structure principle and application scene

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1. MI heating cable

MI armored heating cable, also known as mineral insulated heating cable, is a solid body made of electric heating wire material, inorganic insulation (such as magnesium oxide, aluminum oxide, etc.) and metal protection tube, which is compacted by molds and is particularly suitable for heating high-temperature pipelines. It has the advantages of pressure resistance, earthquake resistance, flexibility, energy saving, high impermeability, radiation resistance, explosion-proof, safe and reliable, easy installation, high mechanical strength, and long service life. It is widely used in pipelines that require high output efficiency or need to withstand high-temperature steam purge, as well as in anti-corrosion and explosion-proof environments in industrial sectors such as aerospace, nuclear energy, petroleum, chemical industry, construction, machinery, electric power energy, and scientific research and teaching fields.

2. Product Classification

1. Stainless steel sheathed MI armored heating cable can meet the needs of high temperature heating and high power (up to 269W/m). Its maximum withstand temperature can reach 650℃, and the conductor resistance ranges from 28000-19.2Ω/km.

2. Copper sheathed MI armored heating cable

Copper sheathed MI armored heating cable can meet the needs of high temperature conditions and long-distance pipeline heating. Its maximum withstand temperature can reach 300℃, and the conductor resistance ranges from 480-0.5Ω/km.

3. Copper-nickel alloy sheathed MI armored heating cable

Copper-nickel alloy sheathed MI armored heating cable can meet the needs of high temperature conditions and long-distance pipeline heating. Its maximum withstand temperature can reach 450°C, and the conductor resistance ranges from 28000-19.2Ω/km.

4. 825 alloy sheathed MI armored heating cable