Cartridge Heater

Cartridge Heater

At DHE, being a cartridge heater manufacturer isn’t just about production—it’s about precision. Our High Density Cartridge Heaters are built using carefully chosen raw materials and a production process that makes all the difference. The result? Stronger heat transfer, steady temperatures, and resistance to oxidation and corrosion, even at extreme conditions of up to 750°C. Over the years, countless industries have turned to DHE as their go-to cartridge heater supplier, not just for quality heaters, but for the reliability and trust that come with them.

Standard Heaters Available with equal heat distribution but at the same time variable watt density can also produce upon request. Looking for a High Density Cartridge Heater Manufacturer & Supplier? Contact Us Now!

Technical Specifications

Diameter Range 5 mm to 35 mm
Length 25mm to 2500 mm
Operating voltage Range 12V to 480V
Conductor Ni Cr 80/20
Insulation High purity MGO core & powder
Other Sheath SS-304, SS-321, SS-310, incoloy 800
Surface load 150 W/inch on sheath – depends on diameter
Working temperature up to 750°C on sheath
Resistance tolerance -5%, +3%
Diameter tolerance -0.02 to -0.05
Length tolerance ±1% or ±3mm
Leakage current < 0.5mA
High voltage strength < 0mA@800V
Unheated length connection side 10mm to 15mm bottom side 10 mm
Integrated thermocouple optional available ‘j’ type or ‘k’ type switchable zones

Features

Increase Heater Life
Resists moisture contamination
Resists abrasion and vibration
Protects against high temperatures without additional insulation
High emissivity sheath
Variable watt density Upon Request

Applications

Plastic Industries
Packaging industry
Pharmaceutical Industries
Food handling equipment
Zinc die-casting
General machine industries
Rubber Industries
Wood Working industries

Product Enquiry