Armored MI Heating Cable
Armoured MI heating cable for applications with high output power, high exposure temperature and high environmental corrosion resistance. When the required output power or temperature resistance exceeds the range of use of polymer traces, armored MI heating cables are the best way to solve this problem. MI cable tracing systems have a maximum exposure temperature of 800° C and maintain temperatures up to 600*C. Can be used for heat tracing of pipelines, tanks, flanges and valves in explosion-proof and non-hazardous areas. A temperature-controlled control system is usually required. For a long time, due to its quality and reliability, armored MI heating cable heating system - has always been trusted and recognized by customers.
● Maximum operating voltage up to 660V ● Maintenance temperature up to 600 C ● Exposure temperature up to 800 C ● Circuit length up to several kilometers
Armoured MI heating cable has two core structures: single core and double core. Dual-core cable wire does not require end-to-end wiring, especially suitable for instrument pipelines and small pipelines, which can save installation time and reduce installation difficulty.
Power output characteristics
This type of wire trace, based on the principle of resistance heating (thermal effect of electric current: Joule-Lenz law), generates heat from the core conductor in the center. Core conductor materials with different resistivity to meet the needs of various resistance values.
The output power and temperature of an armored MI heating cable heating system depends on the application. Design parameters include trace model, resistance, loop length, supply voltage, and electrical configuration, which directly affect the performance of the heat trace system.
Heat trace component type
Heat trace components are a complete set of factory-made components designed according to customer-specific application requirements. At the plant or project site, the hot wire and cold junction are connected by brazing or laser welding, together with the complete terminal connection kit, to form a complete assembly. Cold end wires are also mineral insulated cables. The cold hot wire is connected by welding a cold hot wire outer sheath through a component joint that is insulated with magnesium oxide. The wire trace assembly is connected to the junction box by means of a suitable gran. Cold hot wire connections are very important processes that require welding experience and special tools. Factory pre-terminated cold junctions are manufactured under the most suitable conditions and are only allowed to leave the factory after thorough testing, so we recommend ordering factory pre-terminated products.
MI sheath corrosion resistance and temperature data
| Sheath material | The cable sheath is up to temperature resistant | Material overview | sulphuric acid | hydrochloric acid | hydrofluoric acid | phosphoric acid | nitric acid | Organic acids | alkali | seawater | chlorine |
| stainless steel | 1000℃ | 18/8 austenitic (titanium added) stainless steel | NO | NO | NO | NO | X | GIVE | A | NO | NO |
Note: NR is not recommended, A is qualified, GE is good, X is tested for special data. Based on the temperature limit of the heating element structure, the corrosion resistance data is related to temperature and concentration.
MICC mineral insulated trace wires consist of single- and dual-core conductors, high-dielectric magnesium oxide insulation and a metal outer sheath of seamless tube technology. The end of the trace wire is connected to the cold wire and the sealing kit. A wide range of core conductor materials and outer sheath materials provide the most suitable wire to meet the needs of a wide range of applications. A variety of reinforced corrosion-resistant outer sheaths are available. A wide range of trace core resistance provides suitable trace lengths for different heat trace lengths at various output powers and rated voltages for different applications.
Product model description
| code name | MICC | G | 1 | L | 220 |
| Tags | 1 | 2 | 3 | 4 | 5 |
| Tags | features | The code is optional | description |
| 1 | Cable connection model code | MICC/MIHC | MICC temperature class T4 MIHC temperature class T1 |
| 2 | Cable outer sheath material | G/T | G stainless steel (304, 316, 321, 825) T copper |
| 3 | Linear structure | 1/2 | 1 single core 2 double core |
| 4 | Hotline length | L (length of the hotline) | Length of the hotline, in m |
| 5 | Voltage level | Maximum 660V | The effective voltage of the trace design, the voltage loaded in the trace. |
| Gran Size | Trace type/maximum current level A | |
| Single core | Dual core | |
| 1/2" NPT | 20A | — |
| M20 | ||
| 3/4“ NPT | 70A | 20A |
| M25 | ||
| 1" NPT | 100A | 70A |
| M32 | ||
Basic heating cable design configuration
The heating cable assembly is a complete set of factory-made assemblies consisting of an interconnected section of heated and non-heated zone bow wires, pre-terminated and ready to be connected to the junction box by means of an NPT-threaded connector.
Product advantages
A variety of outer jacket types take into account the temperature capability, required heat trace power and corrosion resistance requirements for various applications, ensuring that the right trace can be selected for the specific application.
1Wide range of resistance values, allowing the design of a suitable trace circuit based on pipe length or equipment dimensions.
2 Different heat trace component configuration types and wiring options are available to meet the widest range of application needs.
3. The factory pre-terminated cold end and perfect detection methods always ensure the high quality of the heat tracing components, save installation time and avoid the risk of on-site repair.
4. The operation is safe, reliable and efficient.
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Suitable for all specific applications, from small instrumentation lines requiring very high exposure temperatures, to long-distance pipelines and even special form factors. With hotline
High power output, providing solutions for melting or evaporation processes. Typical industries include:
Oil and gas (exploration, production, transportation, storage and terminals, refineries, transmission and distribution)
1 Petrochemical and chemical industry
2 power plants (nuclear power, thermal power plants, solar thermal power generation, etc.)
3 Buildings and infrastructure (roofs, gutters, etc.)
4. General industrial field
Note: The actual temperature grade is determined by design
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Service Hotline:
Address: East of Hucheng Road, Feidong Economic Development Zone, Hefei, Anhui
Electric Tracing Business Unit:
Electric Floor Heating Business Unit:
Marketing Service Department:
+86-13965109920 Mr. Li
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