Pasia Industries Ltd
PASIA INDUSTRIES LTD ————Leading MI Cable Heating
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Magnesium Oxide Insulated Slender Armored Electric Heating Cable (Sheathed heating cable, mineral insulated heating cable) is made of metal protection tube, inorganic insulation (e.g., magnesium oxide, alumina, etc.), good performance nickel and chromium alloy resistance wire or other metal or metal alloy conductors. It possesses good properties of anti-pressure, anti-vibration, flexible, energy saving, impervious, resistant to radiation, explosion-proof, safe and reliable, easy installation, high mechanical strength, long life and so on. It has been widely used in aerospace, nuclear power, petroleum, chemical, natural gas, military industry, machinery, electricity, energy and other industrial sectors for heating, heat preservation, heat tracing,Heating and heat preservation of gas and fluid, heating and tracing of container pipelines, etc.
The highest heating temperature of armoured heating cable produced is 860℃.
The cable is composed of a continuous seamless metal sheath, one or more heating wires and a tightly compacted magnesium oxide insulation layer, as shown in the figure.
Armour heating element is composed of heating cable in the middle section, cold cable at both ends, connector and terminal, as shown in the figure below, which can be easily connected to power supply.
In addition, heating cable can be made into different shapes and different power heating elements (single core, double core etc, diameter, height, power according to user requirements).
Cable Structure
Application
| Nuclear industry | construction -- asphalt heating |
| Metal manufacturing industry- low melting point alloy melting | tank/vessel heating |
| Shell heating for the extruder | Heat tracing for high temperature industrial piping |
| anticoagulation and viscosity reduction of process media | All kinds of industrial electric heaters |
Specification
Heating cable instruction code
MI SS-B 16K6560/60/2520/220/E1
NO. 1 2 3 4 5 6 7
| No. | Instruction | |
| 1 | Sheath material | Stainless steel |
| 2 | structure of cable components | shown in table 1 |
| 3 | cable codes | shown in table 2, 3 and 4 |
| 4 | length of heating cable | In meter |
| 5 | Heating cable power | In Watt |
| 6 | heating cable voltage | In Volt |
| 7 | heating cable voltage | See table 5 |
Cable Code
1 6 K 6560
No 1 2 3 4
| Serial NO. | Instruction | |
| 1 | core number | 1 or 2 |
| 2 | Voltage grade | 3=300V, 6=600V |
| 3 | conductor materials | K,N,C |
| 4 | cold resistance ×1000 | 6560=6.56Ω/m×1000 |
Table 1 Structure of Cable Element
Table 2 Heating Cable Specification (600V Single Core)
| Cable Code | Diameter | Nominal resistance at +20℃ | Maximum manufacturing length | Unit weight |
| mm | Ω/m | m | kg/km | |
| 16C2.1 | 6.8 | 0.0021 | 130 | 184.2 |
| 16C3.4 | 5.9 | 0.0034 | 173 | 138.7 |
| 16C5.3 | 5.3 | 0.0053 | 214 | 111.9 |
| 16C8.5 | 4.8 | 0.0085 | 261 | 91.8 |
| 16C13 | 4.3 | 0.013 | 325 | 73.7 |
| 16C21 | 4.0 | 0.021 | 376 | 63.8 |
| 16K40 | 5.8 | 0.04 | 179 | 164.7 |
| 16K50 | 5.4 | 0.05 | 206 | 140.1 |
| 16K60 | 5.2 | 0.06 | 222 | 126.7 |
| 16K80 | 4.8 | 0.08 | 261 | 106.8 |
| 16K100 | 4.7 | 0.1 | 200 | 100.0 |
| 16K120 | 4.5 | 0.12 | 200 | 90.2 |
| 16K160 | 6.5 | 0.16 | 200 | 77.7 |
| 16K200 | 5.9 | 0.2 | 200 | 110.0 |
| 16K250 | 5.3 | 0.25 | 215 | 92.1 |
| 16K400 | 4.7 | 0.4 | 280 | 74.0 |
| 16K500 | 4.5 | 0.5 | 300 | 66.2 |
| 16N630 | 4.3 | 0.63 | 185 | 94.1 |
| 16N1000 | 3.9 | 1.0 | 230 | 91.3 |
| 16N1600 | 3.6 | 1.6 | 270 | 88.2 |
| 16N2500 | 3.4 | 2.5 | 300 | 69.8 |
| 16N2800 | 3.4 | 2.8 | 300 | 76.0 |
| 16N3300 | 3.4 | 3.3 | 300 | 68.9 |
| 16N4000 | 3.2 | 4.0 | 350 | 68.5 |
| 16N5200 | 3.2 | 5.2 | 350 | 68.2 |
| 16N6300 | 3.2 | 6.3 | 350 | 55.5 |
| 16N10000 | 3.2 | 10 | 350 | 41.7 |
Table 3 Heating Cable Specification (600V Double Cores)
| Cable Code | Diameter | Nominal resistance at +20℃ | Maximum manufacturing length | Unit weight |
| mm | Ω/m | m | kg/km | |
| 26K8.4 | 11.8 | 0.0084 | 43 | 636.1 |
| 26K13.4 | 9.8 | 0.0134 | 63 | 433.7 |
| 26K21 | 8.8 | 0.021 | 78 | 340.7 |
| 26K34 | 8.0 | 0.034 | 94 | 275.2 |
| 26K54 | 7.1 | 0.054 | 119 | 213.6 |
| 26K85 | 6.4 | 0.085 | 147 | 171.2 |
| 26K130 | 6.0 | 0.13 | 167 | 148.6 |
| 26K180 | 7.9 | 0.18 | 96 | 273.3 |
| 26K260 | 7.4 | 0.26 | 110 | 235.4 |
| 26K360 | 6.8 | 0.36 | 130 | 196.6 |
| 26K500 | 6.4 | 0.5 | 100 | 172.1 |
| 26K650 | 5.9 | 0.65 | 100 | 145.6 |
| 26K1000 | 5.7 | 1.0 | 100 | 134.1 |
| 26K1300 | 6.2 | 1.3 | 100 | 161.5 |
| 26K2000 | 5.8 | 2.0 | 100 | 139.8 |
| 26K3300 | 5.4 | 3.3 | 100 | 119.5 |
| 26N4600 | 5.8 | 4.6 | 100 | 139.0 |
| 26N8000 | 5.4 | 8.0 | 100 | 119.2 |
| 26N13000 | 5.0 | 13.0 | 100 | 101.3 |
| 26N27000 | 4.8 | 27.0 | 100 | 92.6 |
| 26N40000 | 4.6 | 40.0 | 100 | 84.9 |
| 26N60000 | 4.4 | 60.0 | 100 | 77.5 |
| 26N72000 | 4.2 | 72.0 | 100 | 70.6 |
Table 4 Heating Cable Specification (300V Double Cores)
| Cable Code | Diameter | Nominal resistance at +20℃ | Maximum manufacturing length | Unit weight | ||
| mm | Ω/m | m | kg/km | |||
| 23K210 | 5.2 | 0.21 | 222 | 118.5 | ||
| 23K300 | 4.8 | 0.3 | 261 | 99.4 | ||
| 23K400 | 4.8 | 0.4 | 261 | 97.7 | ||
| 23K480 | 4.8 | 0.48 | 261 | 96.5 | ||
| 23K650 | 4.6 | 0.65 | 284 | 87.8 | ||
| 23K1000 | 4.1 | 1.0 | 100 | 69.3 | ||
| 23K1300 | 3.8 | 1.3 | 100 | 59.3 | ||
| 23K2000 | 5.0 | 2.0 | 100 | 105.3 | ||
| 23K2400 | 4.8 | 2.4 | 100 | 96.2 | ||
| 23K3000 | 4.6 | 3.0 | 100 | 87.8 | ||
| 23N4600 | 4.8 | 4.6 | 100 | 96.8 | ||
| 23N7500 | 4.6 | 7.5 | 100 | 87.4 | ||
| 23N11200 | 4.4 | 11.2 | 100 | 79.2 | ||
| 23N14000 | 4.2 | 14.0 | 100 | 72.0 | ||
| 23N18000 | 3.6 | 18.0 | 100 | 52.9 | ||
| 23N26000 | 3.6 | 26.0 | 100 | 52.5 | ||
| 23N40000 | 3.4 | 40.0 | 100 | 46.6 | ||
| 23N50000 | 4.0 | 50.0 | 100 | 64.2 | ||
| 23N60000 | 3.6 | 60.0 | 100 | 52.0 | ||
| 23N72000 | 3.4 | 72.0 | 100 | 46.4 | ||
Note:
The resistance value of 2-core cable in the above table is the measured value after the ends are twisted (i.e., single-core resistance X2);
If not specified, the sheath material is based on SS 321;
For the use of 660V voltage occasions, please contact our company professionals.
Table 5 terminal specifications
| Model: A, D, E | Model: B | |||
| Maximum Voltage (V) | Maximum Current (A) | Terminal Specification | Maximum Current (A) | Terminal Specification |
| 600 | 15 | E2 | 20 | E1 |
| 600 | 20 | E2 | 25 | E2 |
| 600 | 30 | E3 | 40 | E2 |
| 600 | 50 | E3 | 70 | E2 |
| 600 | 70 | E3 | 100 | E3 |
Note 1: E1 means 1/2 "NPT;E2 means 3/4 "NPT;E3 represents 1 "NPT (taper thread);Additional connection thread requirements are available.
Note 2: the length of cold end cable with standard configuration is 2 meters. If increase or decrease of length required, please contact our professional personnel.
Corresponding reference table between the output power and sheath temperature
Anticorrosive specification
| Material | Application |
| Sulfate | Not Recommend |
| Hydrochloric acid | Not Recommend |
| Hydrofluoric acid | Not Recommend |
| Phosphate | Not Recommend |
| Carbonate | According to the real Data |
| Organic acid | Applicable at any condition |
| Alkali metal | Acceptable |
| Sea water | Not Recommend |
| Chloride | Not Recommend |
Explosion-proof instructions
MISS series heating cable with explosion-proof terminal, can be used in potential explosive environment. Authenticated by the Chinese CQST, in accordance with Chinese GB3836 explosion-proof electrical standards, they can be applicable to Ⅱ A, Ⅱ B, Ⅱ C (C1D2) level of explosion-proof electrical equipment.