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The fast KRELUS infrared heaters

The fast KRELUS infrared heaters

The fast KRELUS infrared heaters

Product catalog summary
Overview
KRELUS infrared heaters by Leister are designed for efficient, responsive, and economic heating solutions. They emit medium wave infrared radiation, which is well absorbed by materials like plastics, paper, wood, and water. The heaters use special metal foils to ensure homogeneous energy distribution and high efficiency, achieving intensities up to 60 kW/m².
Characteristics
  • Very short reaction time
  • Excellent controllability
  • High efficiency
  • Low rear-side heating
  • Robust construction
Modular and Custom Heaters
The KRELUS heaters are available in modular designs, allowing for individual combination into heater fields. They offer quick and easy replacement of single heaters and separate control of individual zones for homogeneous temperature distribution. Custom-made heaters are also available, tailored to specific customer needs.
Heating and Cooling Behavior
The metal foil emitters heat up and cool down rapidly, allowing for energy savings during production interruptions without damaging materials left under the heater.
Technical Data
The document provides detailed specifications for various models of KRELUS heaters, including dimensions, power, and voltage requirements for both standard and special voltage types.
Radiation Heating
Infrared radiation lies between visible light and microwave radiation, with the medium wave range being most effective for heating materials like plastics and paper. KRELUS heaters operate at a peak wavelength of 2.5 µm, ideal for efficient absorption by many materials.
Applications
KRELUS infrared heaters are used across various industries, including plastics processing, automotive, packaging, food, paper manufacturing, and printing. They are suitable for applications such as coating, predrying, preheating, embossing, laminating, thermoforming, and composite processing.
Conclusion
With over 40 years of experience, KRELUS heaters provide high-performance, demand-oriented solutions for industrial heating needs.
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Catalog excerpts

The fast KRELUS infrared heaters-1

efficient responsive modular economic The fast KRELUS infrared heaters

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The fast KRELUS infrared heaters-2

Leister’s KRELUS infrared heaters emit medium wave infrared radiation. This is particularly well absorbed by plastics, paper, wood and water. Special metal foils are used as emitters to ensure homogeneous energy distribution and high efficiency. Intensities of up to 60 kW/m² are achieved. Heater field, combined of different modular infrared heaters The outstanding properties apply both to modular heaters, which can be individually combined into heater fields, and to specific heaters, which are custom-made. Characteristics • very short reaction time • very good controllability • high efficiency...

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The fast KRELUS infrared heaters-3

Technical Data KRELUS-Module-heater – standard voltage KRELUS-Module-heater – special voltage Typical heating diagram Typical cooling diagram

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The fast KRELUS infrared heaters-4

KRELUS Infrared heaters Quartz heaters Ceramic heaters Radiation heating The infrared radiation is a part of the electromagnetic spectra and lies between the visible light and the microwave radiation in the wavelength range of ~1  1000  –  µm. The technically relevant range for heating is typically given as 1 – 10 µm. A wavelength under 1.4 µm is referred to as short wave, between 1.4 µm and 3 µm as medium wave and over 3 µm it is called long wave radiation. Emission spectra of infrared heaters Relative intensity 1.0 1750°C 0.9 0.8 0.7 1550°C When the radiation interacts with material, absorption,...

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The fast KRELUS infrared heaters-5

Homogeneous heating of an organo sheet Source: Fraunhofer IPT Applications KRELUS infrared heaters are used in many ways. Wherever flat material has to be heated precisely and efficiently, KRELUS infrared heaters are the first choice. Industries • plastics processing • automotive • packaging industry • food industry • paper manufacturing • printing machines Applications • textile, paper and film coating • predrying and preheating • embossing, laminating and concealing • thermoforming • composite processing KRELUS infrared preheating for embossing machines Source: Kampf LSF GmbH, Laussig, Germany...

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The fast KRELUS infrared heaters-6

With the KRELUS infrared heaters, Leister has expanded its portfolio in the infrared range with industrially usable, high-performance infrared heaters. KRELUS heaters have been convincing customers for more than 40 years with demand-oriented solutions. Cover picture: Hot Drape Former Source: FILL, AT-Gurten KRELUS AG c/o Leister Technologies AG Galileo-Strasse 10 6056 Kägiswil/Switzerland Tel.: +41 41 662 87 00 Fax.: +41 41 662 74 16 [email protected] www.leister.com

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.