Kerone provides advanced cartridge heaters engineered to deliver high efficiency, precision, and industrial-grade reliability. With over 50 years of expertise across thermal, infrared, RF, microwave, and mechanical engineering, Kerone develops customized systems tailored to industry-specific requirements, ensuring maximum productivity and operational stability.
Why Choose Kerone Cartridge Heaters
At KERONE we design manufacture and export wide range of cartridge heaters, these heaters are rigorously designed by keeping the customers process need in mind .Cartridge heater is a tube-shaped, heavy-duty, industrial heating element used in the process heating, manufactured with best quality raw material and to achieve varied temperature range. Cartridge heaters can be used for the heating of substances such as oil, air, or sugar, but cartridge heaters find their most common application in heating of dies of plastic and packaging industries.
Types and Features of Cartridge Heaters
Kerone’s Cartridge Heaters are available in diameters from 6mm to 25mm and lengths from 25mm to 600mm, with power ratings from 50W to 3000W per element. The heaters are available in standard and high-density configurations, with sheath materials including 304 and 316 stainless steel and Incoloy for high-temperature or corrosive applications. Terminal configurations include compacted lead wire with ceramic bead insulation, ceramic terminal heads, and flying lead options for different installation environments. Integral thermocouple versions are available for closed-loop temperature control. Custom dimensions and terminal configurations can be manufactured to order.
Key Features
High watt density design delivering intense, localized heating in compact form factors
Tight diameter tolerances for optimal thermal contact and heat transfer to the heated component
Available in diameters from 6mm to 25mm and lengths from 25mm to 600mm
Premium magnesium oxide insulation for excellent dielectric strength and thermal performance
Standard and high-density configurations for different temperature and power requirements
Integral thermocouple option for direct temperature measurement and closed-loop control
Stainless steel 304/316 and Incoloy sheath materials for diverse application environments
Multiple terminal configurations for flexible installation in different machine environments
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Continuous tracking of process parameters with instant adjustments.
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Intelligent fault detection to prevent failures before they occur.
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Dynamic tuning of operations for maximum output and efficiency.
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Smarter utilization of energy to cut costs and reduce waste.
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Encrypted data flow with seamless integration across plant systems.
Applications of Cartridge Heaters
Kerone’s Cartridge Heaters are extensively used in precision tooling and machinery heating applications. Typical applications include:
Heating of injection molding dies, hot runner systems, and sprue bushings in plastics processing
Platen and die heating in compression molding, transfer molding, and thermoforming equipment
Heat sealing and packaging machinery including bar sealers, band sealers, and blister packing equipment
Hot stamping, embossing, and marking equipment for product identification and decoration
Extrusion and profile molding dies for plastics, rubber, and food products
Laboratory and analytical instruments requiring precise, localized heating of small components
Kerone’s cartridge heaters solutions deliver unmatched quality, safety, and operational performance. Each system is tailored to meet production targets while ensuring energy savings, reliability, and long-term industrial value. The comprehensive range of diameters, lengths, power ratings, and terminal configurations ensures that Kerone can supply the optimal cartridge heater for virtually any application. With extensive application engineering support and a commitment to manufacturing quality, Kerone’s Cartridge Heaters deliver consistent, reliable thermal performance that minimizes production downtime and maximizes the productivity of their customers’ equipment.
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Frequently Asked Questions (FAQ)
Watt density is the power output per unit of heater surface area (W/cm²) and directly influences the operating temperature of the heater sheath. Higher watt densities produce higher sheath temperatures, which can extend to the heated component. The correct watt density must be selected to match the material being heated and the maximum acceptable sheath temperature.
A tight fit is critical for maximizing heat transfer from the heater to the heated component. Kerone recommends a diametrical clearance of 0.05mm to 0.15mm for standard applications, with tighter tolerances for high watt density or precision temperature control requirements.
Kerone's standard cartridge heaters can be used at sheath temperatures up to 750°C for 304/316 stainless steel versions, with Incoloy versions rated for sheath temperatures up to 900°C.
Standard cartridge heaters should be protected from direct moisture or chemical exposure at the terminal end. Kerone offers sealed terminal versions with moisture-resistant potting compounds or ceramic terminal heads for use in demanding environments.
The most common causes of premature failure include: operating at excessive sheath temperatures due to poor fit or incorrect watt density selection, moisture ingress at the terminal end, mechanical stress on lead wires, and cycling fatigue at elevated temperatures.
Cartridge heaters are inserted into precision drilled and reamed holes. For easy removal, Kerone recommends leaving 10-15mm of the heater extending beyond the hole and applying a thin film of anti-seize compound to the sheath before insertion. Heaters should never be withdrawn by pulling on the lead wires.
High density heaters pack more power into the same physical size, giving faster heat up, but they need a tighter fit in the drilled hole to avoid overheating. Standard density suits applications with more relaxed heating speed needs.
Cartridge heaters are rigid, straight elements by design, unlike tubular heaters which can be bent. For curved or shaped heating needs, a tubular or cast heater is usually the better fit.
Kerone offers compacted lead wire with ceramic bead insulation, ceramic terminal heads, and flying lead options, so the terminal style can be matched to the space available around your die or tooling.
Friction fit from the close tolerance between the heater and the hole normally holds it in place, and a retaining clip or set screw can be added where extra security is needed.
Diameters range from 6mm to 25mm and lengths from 25mm to 600mm, with power ratings from 50W to 3000W per element, covering most standard tooling and die heating needs.
Yes, through hole mounting is common in die heating, and Kerone can advise on lead exit direction and terminal placement to suit the tooling layout.
Integral thermocouple versions are available, letting the heater feed temperature data directly to a PID controller for tighter, automated temperature regulation.
Spacing depends on the total heat load needed and how evenly you want the temperature spread, and Kerone's engineers can help lay out hole positions during the tooling design stage.
Yes, split type heaters open along their length so they can be fitted around a shaft or component without full disassembly, unlike standard sealed cartridge heaters which insert into a drilled hole.
Kerone’s custom-designed heating and processing solutions are built to meet the demands of your growing operations. Whether you’re upgrading equipment, expanding production, or need a tailor-made solution
Peru
Chile
Argentina
Mexico
Colombia
Brazil
USA
Canada
United Kingdom
France
Germany
Spain
Italy
Netherlands
Sweden
Switzerland
Poland
Portugal
Ireland
Czechia
Romania
Hungary
Austria
Greece
Kazakhstan
Uzbekistan
Turkmenistan
Algeria
Egypt
Nigeria
Kenya
South Africa
Saudi Arabia
UAE
Israel
Russia
India
China
Japan
South Korea
Thailand
Vietnam
Malaysia
Singapore
Indonesia
Philippines
Australia
New Zealand