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For mechanical and plant engineering
FUNKE is a leader in the development and production of quality heat exchangers with a heat transfer area of up to 2 400 m². The range of products comprises shell-and-tube heat exchangers, bolted and brazed plate heat exchangers as well as oil / air cooling units and electrical oil pre-heaters. Thus, as one of the few producers worldwide, FUNKE offers solutions with optimum thermodynamic designs for different industries and virtually all applications.
FUNKE focuses on customer orientation, highest quality standards, flexibility and advisory skills – important benefits a company of just the right size is able to offer.
Using electrical oil pre-heaters is of high importance for as- suring ideal machine-tool efficiency, minimization of energy consumption and wear protection. FUNKE offers a highly developed modular program with 11 sizes for the typical requirements of mechanical- and plant engineering with
a heating power of 3 to 100 kW.
Heating of oil, flame resistant liquids and emulsions by elec- trical energy, especially for machines and facilities outdoors and on test stands which require selected oil temperatures
The medium to be heated flows around a bundle of
u-shaped bent heating rods. The distance of the switching segments guarantees an adequate flow velocity, even at the allowed minimum flow rate. The standard heat transfer per unit surface area is approx. 2 W/cm². The surface tempera- ture of the heating rod is only 110°C at minimum flow rate and at oil inlet temperature of 60°C. Thus, the temperature is far below the coking temperature of oil. The temperature limiter installed cuts off at 80°C.
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