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There are many industries that use heat exchangers, as they are an essential component for many reasons. Such is the variation with these amazing devices, there are special kinds for specific tasks, which include the following:


Plate & Frame Heat Exchangers

The frame consists of a head, follower, column, carrying and guiding bar and a number of clamping bolts. Most heat exchanger manufacturers will stock this type of unit and the plates each have a separate gasket which creates a system of enclosed flow panels, through which the medias flow alternately. The gaskets are actually glued onto the plates and there are intermediate gaskets fitted eliminating the risk of the medias meeting. This version is commonly used on many different types of HVAC systems.


Welded Plate & Shell Heat Exchanger

This works in the same way as a traditional pipe heat exchanger, yet it is more efficient, as more of the liquid is exposed over the plates than in a pipe. The advantages with this type of heat exchanger are 1) No gaskets, 2) No leakage, 3) Small space requirement, and this device can work at temperatures up to 25O°C. The plate & shell heat exchanger is suitable for steam and thermal oil heating or as a condenser for refrigerants and is used in many different industries.



Brazed Plate Heat Exchanger

Due to simplicity, this type is very reasonably priced when compared to other heat exchangers. The unit can operate at all temperatures between -180°C and 200°C, making it ideal for mining and oil facilities, with operating pressures up to 30 bar. This is a lightweight unit that can be attached to the pipes without the need for supports. There are no gaskets and therefore, no risk of leakage.


Free Flow Plate Heat Exchanger

There is no metal contact between the plates and this is recommended for use with fibrous materials, such as fruit juice and ice cream and can operate continuously at high temperatures. Most food outlets will have one on their drinks dispensers, as this provides an efficient cooling system to keep the product in tip-top condition. Also used in the making of yoghurts and sauces, the free flow plate design can easily be cleaned or replaced, making it ideal for many food applications.


Regular Service

Any heat exchanger needs regular servicing if it is to remain in good working order and the company that supplies the units will also maintain them. You should follow the manufacturer’s maintenance guidelines in order to ensure that the unit works efficiently. If you are in need of a heat exchanger, an online search will bring up a list of local suppliers and you can make enquiries through their website. Make sure you buy from an established supplier who has a good name in the industry and you can be sure of the very best quality products and service.


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