CARTRIDGE HEATERS
Rotfil cartridge heaters are compact and long-life elements, capable of delivering the best performance in heating surfaces, liquids, and gas. Due to their versatility, they can be applied in a wide range of industries.
Among our products, you will find certified solutions that can be customized in any way. We offer different elements according to different application needs, so that through our manufacturing know-how, we can serve any need through our solutions.
Below you can consult any kind of cartridge heaters, all of our production. You will find high, extra-high, middle and low watt density cartridge heaters and low voltage cartridge heaters.
At the end of the page, you can consult some of our realizations and our catalog, to find out any stock element (more than 10.000), customization option and technical features.
Contact us to discover the best solution for your heating needs.
CUSTOMIZATION
Rotfil solutions are widely customizable, depending on the specific need.
They are equippable with J/K thermocouple and customizable with many cable protection, sealings, electric terminals, threads, flanges and special accessories (also on request).
They are also available with a 90° shape (+ accessories), with indidivual temperature zone control, and/or with differentiated power.
Swipe the following images to consult some of our customization options:
Resistenze a cartuccia classiche con cavi flessibili
Flexible cables
Protected cables | flexible tube | metal braid
Bushing
Insulated cables for high temperatures
Solid wires
Sealed cartridge heaters
Threaded fittings
Resistenze a a 90° con cavi protetti
90° bent and protected cables
Flanges
Cubic block head
Curved and side cable fittings | Unheated part
Zones with differentiated temperature
Double power supply
Waterproof head sleeve
Some additional configuration options
QUALITY
Rotfil is ISO9000 certified since 1996. ULTRAMAX cartridge heaters, both with or without thermocouple, are CE, UL certificated.
Download the following certificates as needed.
Our total quality management policy, allows to any Rotfil product to have a conscious and controlled quality, thanks to 50 years of work in the sector.
Our cartridge heaters possess an excellent thermal efficiency, stress-condition resistance, application versatility and easy installation. Also due to these reasons, they are the best solution for your heating problems.
OUR SOLUTIONS:
ULTRAMAX – HIGH WATT DENSITY CARTRIDGE HEATERS
Rotfil has been the first firm in Italy to produce high watt density cartridge heaters, in 1977. Nowadays, almost 50 years later, Ultramax is a pluri-certified solution (CE+UL; both with/without built-in thermocouple), flagship of the electric heating sector.
Thanks to our know-how we are able to customize your cartridge heater, Ultramax in particular, to fit any application and with any accessories (kindly consult our catalog) with high and reliable performance.
With us, you will find an expert engineering team, specialized in the sector and ready to solve your requests.
Download our catalog or contact us to consult all our stock elements (more than 10.000), and to find out more about this pluri-certified solution.
NORMAX- LOW WATT DENSITY CARTRIDGE HEATERS
With a maximum operating temperature of 400° C and a 7 W/cm² maximum specific power, there heaters are particularly useful when a low operative power is needed.
Normax heaters can be built in many diameters, powwers and lenghìths, with multi-circuit voltage, differentiated power and with all the accessories available for Ultramax heaters (kindly consult the catalog).
SUPERMAX – MIDDLE WATT DENSITY CARTRIDGE HEATERS
Thanks to their simple but efficient structure, Supermax heaters can be bent in any shape requested by their application.
With a 400° C maximum operative temperature and a 8 W/cm² maximum specific power, they can be equipped with thermocouples, separated power supplies, 90° cable outlets and all the accessories equippable on Ultramax heaters (kindly consult the catalog).
IPERMAX – EXTRA HIGH WATT DENSITY CARTRIDGE HEATERS
Completely born in Rotfil laboratories, Ipermaxes work up to 100W/cm² and up to 1000° C.
Thanks to their internal design, they can be bent in many shapes, depending on the application.
This heaters are essential for that applications where Ultramax performance are not enough regarding the power.
MICROMAX – LOW VOLTAGE CARTRIDGE HEATERS
This heater is built to be used exclusively with a supply voltage of less than 48V.
Maximum operative temperature: 600° C; maximum specific power: 20W/cm².
We can manufacture heaters with custom length, diameter and power.
SOME OF OUR REALIZATIONS
