Cold water without unwanted waste heat in the production area.
Gwk Gesellschaft Wärme Kältetechnik mbH presents its mobile water-cooled tecocw series. The innovative cw units are connected to the machine cooling system just like a temperature control unit. As a result, there will be no warm exhaust air in the production area as would be the case with air-cooled compact refrigeration units. Unlike traditional cooling units, a cw unit can be used to produce cold water with a temperature of 0°C without the need for adding an anti-freeze agent to the water.
Cold water is often required for individual units only and not for all production machines so that a central refrigeration system and the associated extensive pipe system would not be worthwhile. In these cases, users tend to rely on refrigeration units which are mobile, air-cooled and compact. The disadvantage of this method is the additional heat generated in the production area by the exhaust air of the refrigeration units. This is particularly annoying during the warmer seasons. With the cw series, gwk now offers a compact alternative solution with a high level of performance.
Direct connection with the cooling system
The mobile units are equipped with the proven control system as well as other well-established and reliable components of the teco c series made by gwk. As a result, in the event of problems, the user benefits from a quick and trouble-free service thanks to standardised spare parts.
The most important difference is the temperature range. While teco c series units supply warm water, the tecocw unit supplies cold water. All of the units are equipped with a leak stop function and mould draining function. The users can connect the units to the production machine via serial interfaces.
Water temperature between 0°C and 25°C without glycol
Unlike traditional cooling units, a gwkcw unit can be used to produce cold water with a temperature as low as 0°C without the need for adding an anti-freeze agent, e.g. glycol, to the water. Even a comparably high water temperature of 25°C cannot be readily produced with traditional units.
Perfect refrigeration capacity and pump output for plastics-processing applications
The pump output is specifically adapted to the requirements of plastics-processing applications with flow rates of 60 l/min max. and pump pressure values of 3.5 or 5.8 bar max. The refrigeration capacity up to 4 kW or 10 kW is optimised for the production machinery.
The tecocw units have an optimised refrigeration circuit with very small fill quantities so that they are exempt from any regular statutory leak tests. The water-cooled version does not have a fan and, therefore, it is particularly quiet.
gwk Gesellschaft Wärme Kältetechnik mbH, with its headquarters in Meinerzhagen, is part of the technotrans group and a system supplier of cooling, temperature control and water supply systems for the plastics-processing industry. The solutions cover the entire production process from cooling and temperature control up to the water treatment phase. The product portfolio includes temperature control systems, temperature control units and refrigeration units, among other things. In addition, gwk offers solutions for the dynamic temperature control of mould inserts and for mould cleaning.
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