Our Products
Engineered Heating & Insulation Products
Manufacturers of FHL-VAC® insulation, embedded and radiating panels, FHL® ROB, SOB & spiral heaters, radiant & tubular heaters, custom-built heaters and FHL® Emiglaze.
FHL-VAC® Insulation Panels
Rigid vacuum-formed ceramic fiber insulation panels, cylindrical segments and one-piece cylinders for hot-face and back-up linings.
Up to 1200°CFHL-VAC® Modules & Panels
FHL-VAC® Flat Insulation Panel
Rigid, vacuum-formed ceramic fiber panels for lightweight, energy-efficient furnace insulation.
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Up to 1550°CFHL-VAC® Modules & Panels
FHL-VAC® Cylindrical Insulation Segments
Vacuum-formed cylindrical segments for pit, bell and tube-type furnace linings from ID 100 mm.
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Up to 1550°CFHL-VAC® Modules & Panels
FHL-VAC® Insulation Cylinders
One-piece vacuum-formed insulation cylinders for tube furnaces and laboratory equipment.
View specificationsFHL-VAC® Embedded Heating & Insulation Panels
Insulation modules with the heating element embedded inside the ceramic body — a complete heated wall or cylinder in one piece.
Up to 1050°CFHL-VAC® Modules & Panels
FHL-VAC® Embedded Flat Heating & Insulation Panels
Heating element embedded inside the insulating module — a complete heated wall in one panel.
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Up to 1050°CFHL-VAC® Modules & Panels
FHL-VAC® Embedded Heating & Insulation Segments
Cylindrical segments with the heating element embedded in the wall — complete heated cylinders.
View specificationsFHL-VAC® Radiating Panels
Free-radiating panels and cylindrical segments with surface-mounted FHL® ROB & SOB heaters for maximum power density and easy element replacement.
1150 – 1550°CFHL-VAC® Modules & Panels
FHL-VAC® Free Radiating Flat Insulation Panel With ROB & SOB Heaters
FHL-VAC® free-radiating panels with surface-suspended FHL-MULTICORE® ROB & SOB heaters for maximum power density.
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1150 – 1550°CFHL-VAC® Modules & Panels
FHL-VAC® Free Radiating Cylindrical Insulation Segments With ROB & SOB Heaters
Surface-hung free-radiating elements on cylindrical modules — maximum power in round furnaces.
View specificationsHeating Elements
FHL® ROB, SOB and spiral heaters in Fe-Cr-Al & Ni-Cr alloys — any wire diameter, including FHL-MULTICORE®.
Heating Elements
FHL® ROB & FHL-MULTICORE® ROB Heaters
Rod-Over-Bend heaters in Fe-Cr-Al & Ni-Cr — including high-output FHL-MULTICORE®.
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Heating Elements
FHL® SOB Heaters
Strip-Over-Bend heaters in Fe-Cr-Al & Ni-Cr — multiple strip sizes.
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Heating Elements
FHL® Spiral Heaters
Free-radiating spiral-wound elements for grooves, tubes and suspended mounting in industrial furnaces.
View specificationsHeaters
Complete FHL® radiant and tubular heater assemblies, custom-built to your chamber and rating.
Up to 1420°CHeaters
FHL® Radiant Heaters
High-efficiency radiant heater assemblies for uniform, contamination-free industrial heating.
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Application-specificHeaters
FHL® Tubular Heaters
Robust sheathed tubular heating elements for ovens, air heating and process applications.
View specificationsThermal Coatings
FHL® Emiglaze high-emissivity coating for energy saving in high-temperature applications.
Let's build your upgrade
Not sure which product fits your furnace?
Share your furnace drawings or photos — our engineers will specify the right module, element and grade for your duty.