(12 customer reviews)

LOW & MEDIUM DENSITY CARTRIDGE HEATERS

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JB Heaters’ Low & Medium Density Cartridge Heater is specifically developed for heating applications that do not require high watt densities or sheath temperatures above 300°C. These cartridge heating elements are available in maximum watt densities ranging from 30 to 45 watts per square inch, depending on the application. They can be used in various assemblies, equipment, or machines, making them highly adaptable.

These heaters are fully customizable to meet specific customer requirements and provide an economical solution for applications where high process temperatures are unnecessary. Each cartridge heater is carefully designed and calibrated to ensure optimal conductivity between the resistance coil and the heater body, enhancing efficiency and performance.

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Construction

The Low & Medium Density Cartridge Heater design consists of a helically wound resistance coil made from nickel-chrome wire, evenly stretched and strung through holes in a round ceramic insulator. The element assembly is inserted into a Chrome Nickel Steel. This alloy provides the best combination of physical strength and resistance to heat oxidation up to 450°C.

Specially selected grain size and high purity magnesium oxide is used to fill all remaining space inside the ceramic insulator to increase thermal conductivity, dielectric strength, and provide longer operating life of the Cartridge Heater.

Application

  • DIE PLATEN HEATING
  • DIE CASTING INDUSTRY
  • EXTRUSION LINE
  • HOT MELT ADHESIVES
  • PACKAGING INDUSTRY
  • PAPER INDUSTRY – EMBOSSING ROLLERS
  • PREFORM MOLDS
  • RUBBER MOLDING INDUSTRY
  • SEAL BARS
  • SEMI CONDUCTOR INDUSTRY
  • TEXTILE INDUSTRY – HEATING OF CUTTING KNIVES

Specification and tolerances

Feature Low Density Cartridge Heater Medium Density Cartridge Heater
Max. Surface Load 4 w/cm² 12 w/cm²
Wattage Tolerance ±10% ±10%
Insulation Resistance ≥ 5 MΩ at 500V (DC) ≥ 5 MΩ at 500V (DC)
Standard Dia Range 8mm to 40mm 8mm to 20mm
Diameter Tolerance – 0.1mm – 0.1mm
Standard Length Minimum 50mm Minimum 50mm
Length Tolerance ± 1.5%, min ± 2mm ± 1.5%, min ± 2mm
Max. Sheath Temperature 400° C 650° C

12 reviews for LOW & MEDIUM DENSITY CARTRIDGE HEATERS

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