Watlow designed and manufactured the first swaged cartridge heater and revolutionized the heating element industry.
With premium materials and tight manufacturing controls, Watlow’s cartridge heaters (insertion heaters) provide superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and long life even at high temperatures. Customers benefit from Watlow’s custom designs, on-time delivery, quality and technical assistance.
The FIREROD® cartridge heater revolutionized the heating element industry in 1954 when it was patented as the first swaged cartridge heater. The mechanical procedure of swaging reduces the diameter of the heater by compacting the unit; this directly improves the heat transfer and efficiency of the heater.
FIREROD® cartridge heaters are built using only the finest materials and construction methods and are backed with extensive quality assurance programs. With premium materials and tight manufacturing controls, the FIREROD® heater provides superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and a long life even at high temperatures.
FIREROD® offers many delivery programs to meet your needs.
|Material||Maximum Operating Temperatures||Maximum Watt Densities|
|Nickel chromium resistance wire||
|Magnesium oxide insulation of specific grain and purity||
|Alloy 800 sheath||
|Minimal spacing between element wire and sheath||
|UL® and CSA approved flexible stranded wires||
|Patented lead adapter (LA) method||
|International Organization for Standardization (ISO) 9001 certified||