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FHL-VACTM Flat Insulation Panel With
Free Radiating ROB FHL-MulticoreTM Heating Elements
FeroHeat’s FerovacTM Vacuum Formed Free Radiating Flat Insulation Panels are another special type of panels where heating elements is suspended on an embedded hook on the surface of insulating module which freely radiates thermal energy into the required chamber, meanwhile ceramic panel resist energy loss to atmosphere.
We manufacture this product in various size, shape and grade to meet our customer needs.
Custom Built Board Parameters:
• Thickness: 90, 100, 125 and 150 mm
• L x W: 950 x 950mm per Board
• We work for your exacting requirements
Type of Heater Used:
• FHL - Single Core ROB Heaters
• FHL - Multicore ROB Heaters
• FHL - SOB Heaters
Application:
• Any Industrial Furnace and Heating Equipment
• Chamber Furnace
• Continuous Furnace
Technical Data of Feroheat’s FerovacTM Vacuum Formed Ceramic Fiber Modules & Panels
| Parameter | FHL-M 1150 | FHL-Z 1325 | FHL- HT 1550 |
|---|---|---|---|
| Classification Temp (°C) | 1260 | 1425 | 1650 |
| Max. Continuous Working Temp. (°C) | 1150 | 1325 | 1550 |
| Density Range (Kg/m3) | 200-240 | 200-240 | 200-240 |
| Linear Shrinkage (%) (24 Hour Continuous Working Temp.) | 1< | 1< | 1< |
Thermal Conductivity (W/mK)
| Parameter | FHL-M 1150 | FHL-Z 1325 | FHL- HT 1550 |
|---|---|---|---|
| At 200°C | 0.065 | 0.065 | 0.065 |
| At 600°C | 0.13 | 0.13 | 0.14 |
| At 1000°C | 0.27 | 0.28 | 0.24 |
| At 1200°C | 0.40 | 0.38 | 0.33 |
| At 1300°C | 0.48 | 0.47 | 0.39 |
| At 1400°C | - | 0.53 | 0.45 |
| At 1500°C | - | - | 0.51 |
| At 1600°C | - | - | - |
Chemical Composition (%)
| Parameter | FHL-M 1150 | FHL-Z 1325 | FHL- HT 1550 |
|---|---|---|---|
| Al2O3 | 47 | 37.5 | 66 |
| SiO2 | 53 | 49.5 | 33 |
| Zr | - | 13 | - |
Technical Data Sheet of FHL-MulticoreTM Heating Alloys
| Fe-Cr-Al Heating Element Alloy 1 Alloy 2 |
Ni-Cr 80 Heating Element | ||
|---|---|---|---|
| Standard Chemical Composition (%) | Al 6.0 | Al 6.0 | Cr 19-21 |
| Cr 23 | Cr 23 | Fe < 1 | |
| Fe 71 | Fe 70 | Ni 77 or more | |
| Other Elements in Small Quantity | |||
| Max. Duty Temp. of Heating Element (°C) | 1400 | 1420 | 1100 |
| Electric Resistivity (Ω mm2 m-1) | 1.45 ± 5% | 1.45 ± 5% | 1.08 ± 5% |
| Expansion from Thermal Factor | 15.1 x 10-6 | 14.8 x 10-6 | 17.6 x 10-6 |
| Hardness Hv Melting Point (°C) |
200-240 1500 |
200-240 1500 |
200-190 1500 |
| Electric Resistance Temp. Coefficient | 33 x 10-6 | 15 x 10-6 | 58 x 10-6 |
| Increase from Oxidation 1200°C (mg/cm2h) | 0.05 | 0.05 | 0.25 or less |
| Tensile Strength MPa (Kgf/mm2) |
650-900 (65-90) |
650-900 (65-90) |
700-900 (70-90) |
| Specific Gravity Elongation (%) |
7.1 15-25 |
7.1 15-25 |
8.4 20 or more |