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6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant

6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant

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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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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

6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant

Specification

Heating cable instruction code

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

No. 1 2 3 4 5 6 7

No. Instruction
1 Sheath material CU
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 320

No. 1 2 3 4

Serial NO. Instruction
1 core number 1 or 2
2 Voltage grade 3=300V, 6=600V
3 conductor materials C,K
4 cold resistance ×1000 320=0.32Ω/m×1000

Table 1 Structure of Cable Element

6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant

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

Table 2 Heating Cable Specification (600V Single Conductor)

Cable Code Diameter HDPE Diameter Standard resistance value at +20 Maximum Production Length Unit weight
mm mm Ω/m m kg/km
16C1.7 8.2 10 0.0017 350 366.54
16C2.2 7.6 9.4 0.0022 380 307.77
16C2.9 7.0 8.8 0.0029 400 264.45
16C4 5.9 7.7 0.004 600 190.88
16C7 5.3 7.1 0.007 600 154.08
16C11 4.9 6.7 0.011 600 132.25
16C13 4.6 6.4 0.013 600 (300)☆ 125.7
16C17 4.6 6.4 0.017 600 (300)☆ 117.16
16C21 4.6 6.4 0.021 600 (300)☆ 111.9
16C25 3.7 5.5 0.025 600 (480)☆ 68.83
16C33 3.7 5.5 0.033 600 (480)☆ 63.76
16C40 3.4 5.2 0.04 600 (560)☆ 58.87
16C63 3.2 5 0.063 600 51.47
16K80 6.8 8.6 0.08 370 (140)☆ 254.18
16K100 5.2 7 0.1 450 (240)☆ 162.11
16K140 4.9 6.7 0.14 600 (270)☆ 122.55
16K197 4.45 6.25 0.197 600 (330)☆ 111.32
16K220 4.5 6.3 0.22 600 (330)☆ 102.89
16K315 4.3 6.1 0.315 600 (350)☆ 91.44
16K345 4.2 6.0 0.345 600 (370)☆ 85.9
16K450 4.0 5.8 0.45 600 (400)☆ 80.73
16K630 4.0 5.8 0.63 600 (400)☆ 77.26
16K800 3.5 5.3 0.8 600 (530)☆ 61.48
16K1250 2.8 4.6 1.25 600 40.83
16K2000 2.8 4.6 2.0 600 38.96

Table 3 Heating Cable Specification (600V Double Conductors)

Cable Code Diameter Nominal resistance at +20 Maximum manufacturing length Unit weight
mm Ω/m m kg/km
26C3.4 12.9 0.0034 150 783.76
26C4.4 12.2 0.0044 160 701.56
26C5.8 11.3 0.0058 170 606.16
26C8.6 9.90 0.0086 180 451.43
26C11.4 9.30 0.0114 200 400.05
26C13.8 9.00 0.0138 210 375.20
26C17.2 8.60 0.0172 220 344.90
26C23 8.00 0.023 250 303.25
26C34.4 7.50 0.0344 280 269.20
26C49.2 7.10 0.0492 300 243.84
26K240 9.90 0.24 180 451.43
26K320 9.30 0.32 200 400.05
26K384 9.00 0.384 210 375.20
26K480 8.60 0.48 220 344.90
26K640 8.00 0.64 250 303.25
26K960 7.50 0.96 280 269.20

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
23C3.4 12.0 0.0034 200 708.10
23C4.4 11.3 0.0044 220 629.07
23C5.8 10.4 0.0058 240 537.73
23C8.6 9.00 0.0086 260 392.56
23C11.4 8.40 0.0114 280 343.89
23C13.8 8.00 0.0138 300 314.57
23C17.2 7.60 0.0172 320 286.27
23C23 7.10 0.023 340 252.98
23C34.4 6.60 0.0344 360 221.19
23C49.2 6.20 0.0492 380 197.64
23K160 10.4 0.16 220 508.37
23K240 9.00 0.24 240 392.56
23K320 8.40 0.32 265 343.89
23K384 8.00 0.384 280 314.57
23K480 7.70 0.48 300 291.91
23K640 7.10 0.64 320 252.98
23K960 6.50 0.96 350 216.11

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, E Model: B
Maximum Voltage(V) Maximum Current (A) Terminal Specification Maximum Voltage(V) Maximum Current (A) Terminal Specification Maximum Voltage(V)
600 15 E2 20 E1 15 E1
600 20 E2 25 E2 20 E1
600 30 E3 40 E2 30 E2
600 50 E3 70 E2 50 E2
600 70 E3 100 E3 70 E2

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

6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant

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

China 6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant for sale

6X Heat Tracing On Pipe Liquefied Natural Gas Storage Plant

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