Heat Exchangers

We offer a comprehensive range of plate heat exchangers for numerous applications. We also provide a range of spare plates and gaskets for most brands of exchangers.

Gasketed Plate Heat Exchangers

Gasketed Plate Heat Exchangers

Gasketed plate heat exchangers have numerous applications in industry, in heat recovery processes, and air- conditioning applications. Plate heat exchangers are available with ordinary, free flow or semi-welded plates.

Plates are tied together in a plate pack with each plate sealed to the next by means of a gasket. Gaskets are supplied in a range of materials suited to the specific application.

Spiral Heat Exchangers

Spiral Heat Exchangers

Circular in design with two spiral channels; each one is a closed chamber allowing for the two products to remain separate while heat exchange occurs.

The flow of the two products is usually counter current which results in a close temperature approach between the two media. A variety of fluids can be circulated through this type of heat exchanger, including liquids containing solids and fibres, waste water and slurries to name a few.

The heat exchanger is easy to clean and maintain as it has side frames on hinges which open to allow access to the internal spirals.

AIr Fin Cooler

Air Fin Coolers and Condensers

IWC offers a complete range of industrial air fin coolers & condensers to cover a wide range of performance parameters.

The THERMOFIN range of air fin coolers have the following specifications:

  • Finned Heat Exchanger Coils are provided with either copper of stainless steel (304 or 316) tubes configured with a staggered arrangement for efficient heat transfer.
  • Fins are provided with a number of options such as aluminium, ALMg, epoxy-coated aluminium, cathodic dip-paint coating or copper.
  • The THERMOFIN air fin coolers have casings manufactured from powder coated galvanized steel with 316 stainless steel as an option.
  • Adiabatic systems are also available to cope with peak load conditions.
Thermofin Roof Top

Hybrid Coolers

The THERMOFIN hybrid cooler offers outstanding performance potential thanks to the combined effect of both wet and dry cooling.

The hybrid coolers has the following design features:

  • Parts in contact with water are produced from stainless steel
  • Fans selections are optimized to reduce noise pollution and energy efficiency
  • Fans have continuous speed control to reduce energy consumption
  • Automatic functions include draining, biocide addition, conductivity measurement and blowdown

THERMOFIN offers the following options for their hybrid coolers:

  • Cathodic dip-paint coating provides superior protection against corrosion
  • Complete electrical control cabinet with control system to regulate summer/winter modes, adjustment of fan speed, control for the deluge system and automatic blow down and make up.

Copper Brazed Heat Exchangers

Brazed plate heat exchangers consist of a number of thin, acid resistant plates, precision stamped and assembled as a unit. The plate pack, assembled with two end plates and connections, is vacuum brazed at extremely high temperatures providing a permanently sealed heat exchanger.

This results in an efficient unit which gives a space and weight saving of up to 80% compared with a tube heat exchanger. These plate heat exchangers are suitable for applications requiring high temperatures and pressures. Brazed plate heat exchangers do not contain rubber gaskets and can therefore operate continuously at extreme temperatures from -180°C to 200°C with operating pressures as high as 30 bar. Applications where these heat exchangers are an effective solution include heating and ventilation (for solar heating and air-conditioning units), heat pumps, heat recovery, and hydraulic oil units.

Semi and Fully Welded Plate and Shell Heat Exchangers

Thermal efficiency in a welded heat exchanger is comparable to a traditional gasketed plate heat exchanger.

Compared to shell and tube heat exchangers, welded units take up significantly less space. Plate and shell heat exchangers work in the same way as an ordinary tubular unit; however, they are more efficient due to the use of plates instead of tubes. Plates are laser welded together to form a plate pack, which is then mounted inside a traditional cylindrical shell. The heat exchanger is produced as an all welded exchanger or with flanges which makes manual cleaning possible.

The all welded heat exchanger is built into a frame with its welded plate pack. These units can operate with temperatures from -100°C to 400°C and with design pressures of up to 40 bar. These heat exchangers can be used to cool aggressive media and applications include power plants, petrochemical, pulp and paper, steel and sugar industries.

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