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For mechanical engineering and mobile hydraulics
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, and flexibility and advisory skills – important benefits a company of just the right size is able to offer.
FUNKE oil/ air cooling units are based on the system Längerer & Reich. The consequent development of this system by FUNKE resulted in up to now 17 OKAN standard sizes in one or multi-pass design with a maximum heat dissipation of 6,2 kW/K, all available in line with the demand of the respective application.
This wide variety of standard units allows for flexible serving most of the applications. For plant engineering and series producers regularly project-specific special constructions are developed.
• strikingly lower costs per kW heat dissipation
• robust, compact design matching highest quality
standards
• costumer-specific designs feasible
• low costs for installation and operation
• variable installation position
• long service-life
• virtually maintenance-free
Basic element is an aluminum cooler in bar and plate construction. The oil tubes are fitted with turbulence elements to guarantee an optimum heat transfer. Depending on the volumetric flow rate, the medium to be cooled flows through the cooler either in one pass or multiple passes and is cooled by the stream of ambient air produced by the fan. The fan is mounted behind the cooler so that the standard fan mode of operation is suction, which means that the cooling air streams from the cooler towards the motor. The fan can also be supplied in pressure mode, if so specified upon ordering. The oil and air fins, fan blades and motor power are carefully engineered and dimensioned to achieve an optimum degree of heat dissipation.
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