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6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant

Categories Electric Heat Tracing
Brand Name: MICH
Model Number: LNGSPMICHHT
Certification: ISO9001
Place of Origin: China
MOQ: 1 meter
Price: USD0.5-USD5 per meter
Supply Ability: 10 million meters per year
Delivery Time: in one month
Packaging Details: plywood crates
Conductor: Copper
Sheath: Copper, Stainless steel
Insulation: Magnesium Oxide
Usage: LNG Plant
Min. Bend Radius: 6 X Cable Diameter
Minimum Maintenance Temp. (°F): +10 ° C
Max. Exposure Temp. (°F) Power Off: 140 ° C
Voltages: Up to 600
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    6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant

    Liquefied Natural Gas Storage Plant Mineral Insulated Cable for Heating and Heat Trace is a specially developed heating and heat trace system for the LNG plant. For the natural gas storage, the first step is to liquify the gas into LNG. Therefore, the gas must be cooled down to -160 °C. LNG occupies only 1/600th of the volume of natural gas of the same weight. So liquifying is an economic option for storage and transport.


    Because of the -160 °C inside the storage tank, frost can occur around and under the tank and in the foundation of the plant, causing frost heave cracking. This can pose a serious risk to safe operation. An electrical heat tracing system prevents this by keeping the structure‘s at 5 °C.


    The pipeline network of the LNG plant with all drums and pumps is heated to +10° C for freeze protection. Also, process temperatures between 15 °C and 140 °C are maintained to ensure that the gas liquefaction process runs smoothly and safely.


    Heat Trace Mineral Insulated Heating Cable for Vessels and Tanks can meet the needs of high temperature condition and heat tracing of long-distance transportation pipeline. The maximum withstand temperature of the copper sheathed heating cable (MICU) provided by MICH can reach up to 250℃. Conductor resistance value ranges from 1.7-2000Ω/km. For the occasion of anti-corrosion or buried application, high density polyethylene (HDPE) outer sheath ( cable known as MIHC) is needed to be added. MIHC’s withstanding maximum temperature can be up to 90℃. Mineral insulated heating cable possesses excellent mechanical strength. The heating cable of series resistance provided by MICH can meet the requirements of different power levels.


    Cable Structure


    Specification

    Heating cable instruction code


    MI CU-B 16K320/60/2520/220/E1

    No. 1 2 3 4 5 6 7


    No.Instruction
    1Sheath materialCU
    2structure of cable componentsshown in table 1
    3cable codesshown in table 2, 3 and 4
    4length of heating cableIn meter
    5Heating cable powerIn Watt
    6heating cable voltageIn Volt
    7heating cable voltageSee table 5

    Cable Code


    1 6 K 320

    No. 1 2 3 4


    Serial NO.Instruction
    1core number1 or 2
    2Voltage grade3=300V, 6=600V
    3conductor materialsC,K
    4cold resistance ×1000320=0.32Ω/m×1000

    Table 1 Structure of Cable Element


    Note: Model C, F and G are suitable for being used at temperature under 65


    Table 2 Heating Cable Specification (600V Single Conductor)


    Cable CodeDiameterHDPE DiameterStandard resistance value at +20Maximum Production LengthUnit weight
    mmmmΩ/mmkg/km
    16C1.78.2100.0017350366.54
    16C2.27.69.40.0022380307.77
    16C2.97.08.80.0029400264.45
    16C45.97.70.004600190.88
    16C75.37.10.007600154.08
    16C114.96.70.011600132.25
    16C134.66.40.013600 (300)☆125.7
    16C174.66.40.017600 (300)☆117.16
    16C214.66.40.021600 (300)☆111.9
    16C253.75.50.025600 (480)☆68.83
    16C333.75.50.033600 (480)☆63.76
    16C403.45.20.04600 (560)☆58.87
    16C633.250.06360051.47
    16K806.88.60.08370 (140)☆254.18
    16K1005.270.1450 (240)☆162.11
    16K1404.96.70.14600 (270)☆122.55
    16K1974.456.250.197600 (330)☆111.32
    16K2204.56.30.22600 (330)☆102.89
    16K3154.36.10.315600 (350)☆91.44
    16K3454.26.00.345600 (370)☆85.9
    16K4504.05.80.45600 (400)☆80.73
    16K6304.05.80.63600 (400)☆77.26
    16K8003.55.30.8600 (530)☆61.48
    16K12502.84.61.2560040.83
    16K20002.84.62.060038.96

    Table 3 Heating Cable Specification (600V Double Conductors)


    Cable CodeDiameterNominal resistance at +20Maximum manufacturing lengthUnit weight
    mmΩ/mmkg/km
    26C3.412.90.0034150783.76
    26C4.412.20.0044160701.56
    26C5.811.30.0058170606.16
    26C8.69.900.0086180451.43
    26C11.49.300.0114200400.05
    26C13.89.000.0138210375.20
    26C17.28.600.0172220344.90
    26C238.000.023250303.25
    26C34.47.500.0344280269.20
    26C49.27.100.0492300243.84
    26K2409.900.24180451.43
    26K3209.300.32200400.05
    26K3849.000.384210375.20
    26K4808.600.48220344.90
    26K6408.000.64250303.25
    26K9607.500.96280269.20

    Table 4 Heating Cable Specification (300V Double Cores)


    Cable CodeDiameterNominal resistance at +20Maximum manufacturing lengthUnit weight
    mmΩ/mmkg/km
    23C3.412.00.0034200708.10
    23C4.411.30.0044220629.07
    23C5.810.40.0058240537.73
    23C8.69.000.0086260392.56
    23C11.48.400.0114280343.89
    23C13.88.000.0138300314.57
    23C17.27.600.0172320286.27
    23C237.100.023340252.98
    23C34.46.600.0344360221.19
    23C49.26.200.0492380197.64
    23K16010.40.16220508.37
    23K2409.000.24240392.56
    23K3208.400.32265343.89
    23K3848.000.384280314.57
    23K4807.700.48300291.91
    23K6407.100.64320252.98
    23K9606.500.96350216.11

    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);

    For the use of 660V voltage occasions, please contact our company professionals;

    Mark of (300)☆ is a recommended production length by MICH


    Table 5 terminal specifications


    Model: A, D, EModel: B
    Maximum Voltage(V)Maximum Current (A)Terminal SpecificationMaximum Voltage(V)Maximum Current (A)Terminal SpecificationMaximum Voltage(V)
    60015E220E115E1
    60020E225E220E1
    60030E340E230E2
    60050E370E250E2
    60070E3100E370E2

    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 you increase or decrease of length required, please contact our professional personnel.


    Corresponding reference table between the output power and sheath temperature


    Note: when applying a copper conductor heating cable, please pay attention to the conversion of its heated hot resistance and unheated cold resistance.


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