What is a radiator (cooling coil) and how does it work?

Radiators are heat exchangers where the fluid in gas phase usually flows on the primary side and the heating or cooling fluid circulates on the secondary side. As the gas flows over the serpentine bundle consisting of finned or smooth tubes, heat exchange occurs with the fluid inside the tube; thus recovering the heat of the exhaust gas or cooling the process gas. The heat transfer surface is enlarged with fins mechanically joined to the tube to achieve high efficiency in compact dimensions.

In which applications is it used and what does it bring to the business?

Radiators are mainly used in waste heat recovery facilities to harness the energy from flue and process gases; in addition, they play a role in various fields such as drying ovens, chemical and food processes, compressor and engine exhaust gas cooling, HVAC fresh air heating/cooling, and maritime applications. A properly sized coil reduces fuel consumption and operating costs, increases efficiency by reducing heat discharged from the chimney, and stabilizes process temperature control.

When should I choose which type of radiator?

Election is done according to the temperature, cleanliness, and allowable pressure drop of the gas. Steam radiators provide quick response in space heating and process air heating needs; hot water and steam radiators offer compatible and safe solutions with central hydronic networks; hot oil radiators are preferred when stable heat transfer is required at high temperatures; material on seawater radiators is selected to withstand corrosion. If the gas side is clean and the temperature differen...

What are the material and manufacturing options?

As the tube material, special alloys such as carbon steel, stainless steel, copper, and brass with Bafon are used; for the fin material, aluminum, copper, stainless or carbon steel are used, and the combination process is determined according to the chemistry of the process, temperature-pressure, and the intended service life. Collectors can be designed as U cover, flat cover, or dished cover; floating type solutions facilitate the management of thermal expansion. Coils are produced with spir...

What data is needed for sizing and quoting?

For the correct selection, gas flow rate and inlet temperature, target outlet temperature, gas composition and expected pollution level, allowable pressure drop on the gas side, flow rate and inlet-outlet temperatures of the secondary fluid, operating hours and load profile, layout and maintenance access, desired standards and material preferences should be shared. Based on this information, the surface area, fin spacing, number of rows, circuiting, and collector type are optimized; if necess...

What should be considered in maintenance, cleaning, and operation?

Regular cleaning maintains efficiency and prevents pressure loss; access doors with high dust and dirt load, dust blowers, or washing plan should be available. Condensate drainage and material selection are critical in applications where condensation is possible to prevent corrosion; appropriate insulation on the outer surface reduces heat loss. Air guidance to prevent hot air recirculation, robust supports for vibration, and connections capable of tolerating expansion should be preferred dur...

Serpantin - Radiator | Ekin Industrial

Name: Serpentine - Radiator
Brand: Ekin Industrial
Availability: InStock

Heat Transfer Products / Serpentines - Radiators - Economizers

Serpentine - Radiator

Radiators are a type of heat exchanger where the primary circuit carries a fluid in the gas phase, and the secondary circuit carries a heating or cooling fluid. While they are commonly preferred in recovery facilities, radiators are used across all sectors and applications as needed.

At MIT, radiators are designed by our engineers using specialized programs and software according to demand. The design and mechanical calculations are carried out according to the TEMA standards and the 2014/68/EU PED (Pressure Equipment Directive) pressure vessels directive EN 13445 standard. Our products are manufactured in various forms according to process needs.

General Information

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In radiators, various types can be examined under headings such as Steam Radiators, Hot Water Radiators, Hot Oil Radiators, Seawater Radiators according to the fluid circulating inside. Each has different usage areas and purposes. Taking into account system conditions, pressure drop, and efficiency, the choice of serpentine wing is made among steam, hot water, and hot oil options.

Steam Radiator
Heat exchangers used to meet the heating needs in the facility by utilizing steam energy.

Hot Water Radiator
Heat exchangers used to obtain hot water.

Hot Oil Radiator
A type of radiator used to cool unused oils or regulate the ambient temperature using the heat of the oil.

Serpentines Used in Radiators
The materials used in radiators are determined according to the project. Pipes and wings can be made from the same material or different materials suitable for the process.

While carbon steel, stainless steel, copper, and special alloys (Bafon, brass, etc.) are commonly used in pipes, materials like carbon steel, stainless steel, aluminum, and copper may be preferred for wings.

In radiator manufacturing, different types of pipes and wings such as spiral finned serpentines, oval tubed serpentines, louvered serpentines, and reeded tubed serpentines are also used.

What Are the Components of a Radiator?

Radiators generally consist of three main components.

Collectors
Collectors are determined according to the type of fluid, operating pressure, and operating temperature. There are options such as U Cover, Flat Cover, Dome Cover. Collectors can also be manufactured as pipes. In these types of products, the return of the tubes is provided by elbow pipes. Collectors can also be manufactured as circulating type according to system requirements.

Serpentines
Serpentines are heating winged or straight pipes. They are determined according to the process. The types of serpentines are selected according to the operating conditions of the radiators to be used.

Mirrors
The material, length, and thickness of the mirrors are determined according to the system. Pipe-mirror joints are made using welding, machine, or welding and machining together.

Food

Hygiene, safety, and process efficiency are top priorities in the food industry. Our hygienically designed, easy-to-clean, and stainless-steel-compatible solutions are ideal for applications ranging from dairy and beverage processing to juice, beer production, and food handling lines.

Automotive

In the automotive sector, temperature regulation and fluid control are critical in production lines, testing systems, and paint applications. Our compact and high-performance solutions help ensure process continuity, energy efficiency, and system reliability.

Maritime

Marine applications require durable, low-maintenance systems that can withstand harsh environmental conditions. Our corrosion-resistant solutions support efficient cooling, heating, and fluid management in various shipboard systems, even under demanding operating environments.

Heating, Ventilation, and Air Conditioning

Energy efficiency and system longevity are essential in comfort heating and hot water systems. Our engineered solutions support heating, cooling, ventilation, and domestic hot water applications, delivering optimal performance and sustainable energy use in building technologies.

Petrochemicals and Pharmaceuticals

These industries demand equipment capable of operating under high temperatures and pressures, and resistant to corrosive or aggressive gases and liquids. Our robust and chemically compatible system solutions ensure safe, continuous, and efficient operation in sensitive process environments.

Metal Industry

Metal processing involves exposure to extreme temperatures and pressures, requiring highly durable and reliable equipment. Our industrial-grade solutions provide stable performance and increased efficiency across production lines such as rolling, melting, and cooling systems.

Energy

In power generation, cogeneration, and heat recovery systems, energy efficiency and system durability are essential. Our high-efficiency solutions contribute to sustainable energy production and help reduce operational costs by enhancing thermal performance and system resilience.

Textile

Processes such as printing, dyeing, finishing, and drying require precise temperature control and energy management. Our specialized thermal solutions support textile operations by optimizing energy usage and improving overall process reliability and product quality.