Plate Heat Exchangers for Various Applications


One product, numerous applications – this is what characterises plate heat exchangers. They are used to transfer heat between two separate media and can be used in a wide range of applications. Whether in industry, households or agriculture: depending on the design, plate heat exchangers can be used, for example, for controlling pool water temperature, transferring heat in production systems or in heating and hot water systems. Our range includes various plate heat exchangers for different requirements. Below, we explain how a plate heat exchanger works, what applications are possible and what should be considered when choosing one.

Why a Plate Heat Exchanger Is Useful


Heating and plate heat exchangers – two terms that play an important role both in private households and in district heating. But what exactly is a plate heat exchanger and what applications can it be used for? 

A plate heat exchanger is a device used to transfer heat between two separate media. The two media flow through separate channels inside the heat exchanger, allowing heat to be transferred without the liquids coming into direct contact with each other. 

This operating principle is relevant, for example, in district heating systems where different water circuits must remain separate. Depending on their design and application, plate heat exchangers can also be used in private heating and hot water systems.

A plate heat exchanger enables heat to be transferred between two separate circuits. This allows it to be used in various heating and thermal systems, for example to separate heating circuits, for domestic hot water preparation or in district heating systems.

Depending on the system and intended application, a plate heat exchanger can transfer available heat from one medium to another without the two media mixing. The appropriate design depends, among other things, on the required output, temperatures, flow rate and the respective application system.

How It Works – A Brief Explanation


A plate heat exchanger, also known as a plate heat transfer unit, consists of several thin metal plates arranged so that two media can flow through separate channels. The structure of the plates increases the surface area through which heat can be transferred.

Heat transfer takes place through the metal plates. If, for example, warm water flows on one side of a plate and colder water on the other, heat is transferred through the plate material from one medium to the other. The two liquids remain separate and do not mix.

Thanks to the large heat transfer surface combined with a compact design, plate heat exchangers can transfer heat between separate media. They are therefore used in various areas, including heating systems, domestic hot water preparation, heat recovery and industrial applications.

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Compact Design


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The compact design of plate heat exchangers makes them suitable for use in various heating and thermal systems, including district heating systems. A plate heat exchanger consists of several metal plates arranged so that two media can flow through separate channels.

Depending on the model, plate heat exchangers differ, among other things, in the number of plates. A larger number of plates provides a greater surface area for heat transfer and can therefore enable a higher heat transfer capacity. However, the appropriate number of plates depends on various factors such as the required output, temperatures, flow rate and intended application.

The structure of the plates, with their grooves and channels, influences the flow of the media and heat transfer through the plate material. The two media remain separate and do not mix.

Depending on the design, the plates are made, for example, from stainless steel or titanium. The material used depends, among other things, on the intended medium and the respective operating conditions.

The combination of a compact design, different numbers of plates and various material options allows plate heat exchangers to be designed for numerous applications – for example heating systems, district heating, domestic hot water preparation or industrial processes.

Versatile Applications


Plate heat exchangers are used in various heating and thermal systems. These include heat pumps, domestic hot water preparation and underfloor heating. In combination with a heat pump, a plate heat exchanger can be used to transfer heat between two separate circuits. The appropriate design for a particular heat pump depends, among other things, on the required output, temperatures and flow rate.


Plate heat exchangers can also be used for domestic hot water preparation. Heat is transferred from a heating medium through the metal plates to the water to be heated, while the two media remain separate. In underfloor heating systems, plate heat exchangers can also be used to separate different heating circuits and transfer heat between the respective media. The specific configuration depends on the design and requirements of the heating system.

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Summary


Plate heat exchangers are used in numerous heating and thermal systems and enable heat to be transferred between two separate media. Depending on the design, they are suitable for heating systems, heat pumps, domestic hot water preparation, underfloor heating, district heating or industrial applications. When selecting a suitable plate heat exchanger, factors such as the required output, flow rate, temperatures, number of plates and intended application should be considered. At Wiltec, you will find various plate heat exchangers for different requirements and applications.