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Heat Exchangers for Aerospace

For over 100 years Meggitt has designed and manufactured heat exchangers and mobile combustion heating units for aerospace, defence, transportation and energy applications. We pioneered the development of vacuum brazing techniques for heat exchangers and our engineering experts are researching the next generation of aerospace thermal management solutions.

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In-house design and manufacturing customised for each application. Enquire Now.

We are one of the largest designer and manufacturers of heat exchangers for the aerospace engine market, alongside our significant presence within the general aviation market.

Our solutions manage and change temperature, control and regulate the flow of system fluids to deliver the system performance required.

Our heat exchangers combine the design, development capabilities and product portfolios of facilities formerly known as Stewart Warner South Wind Corporation and Serck Aviation.

From 1,200 pounds of thrust on a small turboprop engine to over 80,000 pounds of thrust for a large commercial turbofan, we can provide a custom-engineered solution.

Explore our full product range below:

Best performance and lowest cost of ownership for bespoke applications.

Mechanical-bonded interfaces allow complete freedom of movement during thermal expansion unlike brazed units where stress fractures can occur.

Its innovative design means that single tubes can be easily replaced during overhaul periods, minimising costs to operators.

The operational lifetime of a tubular unit is 3 million flying hours and 50 million Serck Aviation bonded interfaces in the field have never failed.

(Aluminium, Stainless Steel and Inconel)

Meggitt heat exchanger, plate and fin

Compact designs, long life

The operational lifetime of a plate and fin unit is over 1million hours.

Our brazing process produces joints of extremely high integrity, ensuring operational life is not reduced by corrosion.

Due to the removal of redundant channels required in some vacuum-brazed units, the overall unit size can be reduced too.

(Aluminium, Stainless steel)

Heat exchanger, air to air cooler

Tubular or plate and fin coolers.

Our brazed air-to-air coolers are uniquely designed to optimise the design and ensure a high operational life.

We design and manufacture complete oil cooling systems, combining our plate and fin heat exchangers with a Meggitt manufactured fan.

We are the leading supplier of engine and transmission oil coolers to the helicopter industry. Some units are designed as multiple circuits with an excellent strength-to-weight-ratio and high vibration-resistance.

Compact | Lightweight | Reliable

We supply thermal management systems for military vehicles. e.g. the Allison transmission system uses our plate and fin heat exchanger technology to cool the oil.

Features and benefits include:

  • High efficiency
  • Increased heat rejection
  • Retarder and non-retarder applications
  • Integral retarder/sump options

Our product line also includes 30,000 and 60,000 BTU combustion heaters.

Our systems (over 250,000 in service) can last as long as a properly maintained airframe. Units are usually specified on condition and rarely need any form of maintenance – we have examples of units returned to us for their first overhaul after over 40,000 hours on wing.

If the unit needs to be returned for maintenance, repair and overhaul we have FAA-approved repair stations and strategic partnerships with world-wide distributors.

Our Services & Support team will provide fast solutions to the most complex remanufacturing or redesign challenges.

Our roots date back to the dawn of aviation.

In 1907 Serck Radiators was founded in the UK by Peter Oscar Serck to supply radiators to the fledgling aircraft industry.

In the 1930’s these designs were adapted for the Rolls-Royce Merlin engine used to power the Spitfire aircraft.

In the 1930s in the USA, Stewart Warner was producing radiators and gasoline-fired heaters for the automotive industry.

In the 1940’s we designed and manufactured combustion heaters and heat exchangers for both military vehicles and aerospace applications, including the heat exchanger for the Rolls-Royce Merlin engine used to power the Spitfire aircraft. By 1945, we had supplied 65,000 radiators and 100,000 air coolers for aircraft in the UK.

In the 1960s, Stewart Warner South Wind Corporation became one of the world’s leading suppliers of large aluminium heat exchangers for the chemical processing and air reduction industries.

In 2004, Meggitt acquired the Dunlop Group (including the heat exchanger technology from Serck Aviation and Stewart Warner South Wind)

By the 21st century, our heat exchangers have evolved to become the multiple flow, multiple circuit heat management systems needed by the most advanced aero engines. These compact and lightweight units now perform multiple functions including:

  • Control engine and airframe oil and fuel temperatures
  • Control fuel nozzle temperature to prevent fuel carbonisation
  • Cool bearing air and turbine blades

They are used on the majority of the latest aero-engines including LEAP, PurePower and the F135.

Applications of Meggitt heat exchangers

Aluminium tubular coolerNimonic tubular coolerAluminium tubular matrixAluminium plate and fin cooler



Customer Platform Main engine/oil cooler IDG/ VFSG cooler Gearbox cooler Bearing air cooler Airframe hydraulic cooler Servo fuel heater
Airbus A380
BAE Systems Harrier
Boeing B777
Leonardo Helicopters Sea King
Pilatus PC9



Customer Platform Main engine/oil cooler IDG/ VFSG cooler Gearbox cooler Bearing air cooler Airframe hydraulic cooler Servo fuel heater
Collins Aerospace PW6000
GE Aviation
(*supplied through Woodward inc.)
PurePower PW800
Rolls-Royce Trent 900
Trent 700
Trent RB211
Safran Aircraft Engines LEAP
Safran Helicopter Engines Aneto

在英国伯明翰,在Meggitt设施. and Troy, Indiana USA.

Key customers

Our heat exchangers are used on commercial and military aircraft and aero-engines, including LEAP, PurePower family, GEnx, F135 and Trent family, as well as airframes such as the A380 and ATR72.

At Meggitt, we can provide you with a heat exchanger that is specifically designed for your application. To discuss what you need in more detail, please contact us.

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