Finned Tube Heat Exchangers

Super Duplex Steel, SMO 254, Inconel, Monel Finned Tube Heat Exchangers Manufacturer & Exporter.

Titanium, Nickel, Hastelloy, Stainless Steel, Zirconium Finned Tube Heat Exchangers Suppliers in India.

Finned Tube Heat Exchangers

AMARDEEP STEEL CENTRE specializes in Finned Tube heat exchangers both on-site and at works. Finned tube heat exchangers have tubes with extended outer surface area or fins to enhance the heat transfer rate from the additional area of fins. Finned tube heat exchanger for heat transfer between air, gas and liquids or steam. Heat exchanger with finned heating surfaces, so-called finned tube heat exchanger, offer the possibility of heat transfer between gases and liquids significantly space-saving and is more efficient to implement than it is possible with straight tubes. Amardeep Steel Centre finned tube heat exchangers are designed to transfer heat from clean air and gases with high efficiency on liquids or vapours, and vice versa. In this way, the media can be heated, cooled or condensed, in a closely spaced. Finned tube heat exchangers can be used for different applications and in a variety of designs. Maxxtec offers various heat exchangers for an economizer, air heater, heaters for gases, air heaters or capacitors in fin-tube design. The fluid surrounding finned tubes maybe process fluid or air.

There are two types of Finned tube heat exchangers:

•   Longitudinal Fins
•   Transverse Fins

Longitudinal Fins:

Longitudinal fins on a tube are best suited for applications where the flow outside the tubes is expected to be streamlined along the tube length, for example, double pipe heat exchangers with highly viscous fluid outside the finned tube. Longitudinal fins on a tube running along the length of the tubes. The cross-sectional shapes of longitudinal fins can be either flat or tapered. For different cross-sectional geometries, various correlations are available in the literature to evaluate the heat transfer coefficients on the outer side of the tubes.

Transverse Fins:

Transverse fins are normally used for gas flows or turbulent flows and for cross-flow type exchangers or shell and tube heat exchangers. For air coolers, tubes with transverse fins are best suited. Transverse fins are hollow metal discs spaced from each other and fitted along the length of the finned tubes. The transverse fin discs can be flat or tapered. Heat transfer coefficients on the surface of the fin depend on the fin disc geometry and are available in the literature in the form of correlations.


Finned tube heat exchangers are often used in power plants as an exhaust gas heat exchanger to increase the efficiency factor. Further applications in power plants are the preheating of combustion air as well as the condensation of exhaust steam from steam or ORC turbines.

In industrial dryers finned tube heat exchangers will be used for heating of air by hot water, steam or thermal oil in large quantities.

In many industrial production processes, such as for the air conditioning of buildings, finned tube heat exchangers are used as an air cooler for cooling down or re-cooling of liquids. Due to the problems with Legionella, the high consumption of fresh water, as well as the elaborate water treatment, closed cooling circuits with finned tube heat exchangers will be used instead of cooling towers with open water circuit.

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