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Raychem HIQ1M10K Inconel Sheathed Series Heating Cable 10000 ?/km ATEX
Product overview
Raychem HIQ mineral insulated (MI) Inconel 600 series heating cables are suited for use in hazardous areas. The Inconel 600 sheath offers excellent corrosive properties against a wide range of organic acids and alkalis, as well as chloride stress-corrosion cracking, in combination with a high temperature withstand capability.
HIQ cables are typically used in bitumen plants, gas plants, oil refineries, reactors and vessels, sodium loops and a wide variety of other heat-tracing applications where temperature resistance, power output and durability are required and exceed the limitations of stainless steel sheathed MI heating cables.
The heating cables can be used for exposure temperatures up to 700°C and a typical power output up to 300 W/m. Higher temperatures and power outputs can be achieved, contact Pentair for assistance. The heating cables are offered as bulk cables as well as factory-terminated heating units employing brazing or laser welding techniques to ensure optimum quality of the connections.
The offering is completed with a full range of components for installation, connection and splicing of the heating cables.
Application
Area Classification:
- Hazardous areas, Zone 1 or Zone 2 (Gas) or Zone 21 or zone 22 (Dust)
- Ordinary areas
Approvals
System (Heating Units):
- Baseefa02ATEX0046X
- II 2GD Ex e II T6 to T1 Ex tD A21 IP6X
- Actual T class temperature determined by design
Bulk Cable:
- Baseefa02ATEX0045U
- II 2G Ex e II
| Order Reference | Nominal Resistance [Ω/km @ 20°C] | Temp Coefficient [x 10-3 /K] | Outer Diameter [mm nom.] | Max Coil Length (M) |
|---|---|---|---|---|
| HIQ1M10K | 10000 | 0.9 | 3.2 | 772 |
| HIQ1M6300 | 6300 | 0.9 | 3.2 | 774 |
| HIQ1M4000 | 4000 | 0.9 | 3.2 | 776 |
| HIQ1M2500 | 2500 | 0.9 | 3.4 | 689 |
| HIQ1M1600 | 1600 | 0.9 | 3.6 | 617 |
| HIQ1M1000 | 1000 | 0.9 | 3.9 | 528 |
| HIQ1M630 | 630 | 0.9 | 4.3 | 437 |
| HIQ1M400 | 400 | 0.9 | 4.7 | 368 |
| HIQ1M250 | 250 | 0.9 | 5.3 | 292 |
| HIQ1M160 | 160 | 0.9 | 6.5 | 194 |
Brass glands are standard on all heating units. Other materials are possible, contact Pentair for more information. Delivery length of bulk cable on coil depends on type of resistance and is limited by max. coil length as indicated in the table on top.
Factory terminated elements are limited by a max. weight of 50kg, however to ensure practical and safe on-site handling, it is strongly recommended to limit element lengths to 25 - 30kg. Not all resistances are standard items and as such may not be in stock. Contact Pentair to confirm lead time. Pentair requires the use of a 30 mA residual current device to provide maximum safety and protection from fire.
Where design results in higher leakage current, the preferred trip level for adjustable devices is 30 mA above any inherent capacitive leakage characteristic of the heater as specified by the trace heater supplier or alternatively, the next common available trip level for non adjustable devices, with a maximum of 300 mA. All safety aspects need to be proven.
Also refer to the components section for more details on heating units, accessories and nomenclatures.
Technical specifications
| Cable Sheath Material | Inconel 600 |
|---|---|
| Conductor Material | Nichrome |
| Earth Leakage | 3 mA/100m (Nominal at 20°C) |
| Max Exposure Temp | 700°C (Laser Welded Heating Units) |
| Max Exposure Temp | 450°C (Brazed Heating Units) |
| Max Exposure Temp | 700°C (Heating Cables) |
| Min Bending Radius | 6 x outer diameter at -60°C |
| Min Cable Spacing | 25mm for hazardous Areas |
| Min. installation temperature | -60°C |