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NRF manufactures high-end intercoolers for the automotive industry (OE and aftermarket). With own production and test facilities, worldwide delivery and excellent customer service, NRF is the number one intercooler (charge air coolers) specialist. The fastmovers of the intercooler product range are available as Easy Fit, so the fitting materials are included.

The intercooler > The technology > Regardless what kind of , In the automotive sector, mainly the air-to-air supercharged engines need cooling of the cooled intercoolers are used. Intercoolers hot, compressed air. The inlet temperature of basically consist of three main components: intercoolers frequently reaches 150 degrees Manifolds on each in- and outlet side Celsius and on as high as 220 de- and in between the core, that consist of grees. The air pressure reaches 1.5 bars on air-tubes and fins. This design allows a large automotive applications and well over 2 bars cooling surface. To maximize the internal in trucks or industrial use. cooling surface, the air-tubes have additional separation walls. Since the mid 80’s, an intercooler is used to 600 SKUs available! cool the hot compressed induction air, ente- The cores are made of brazed aluminium. ring the manifold of the engine. The On heavy duty applications like trucks, the repairs, too tight hose connections, dirt and lower air temperature means volume manifolds are also made of aluminium salt residue can negatively affect the inter- reduction of the air supplied to the engine. and welded to the cooler core. They are coolers’ function. An incorrect function is one Due to the increased density more air can mainly manufactured in permanent mold part, an engine defect the other worse case. enter the of the cylin- castings. On passenger plastic mani- To prevent engine damage you must always ders and more fuel can be injected, resulting folds of Polyamide material are most suf- check/clean the engine air intake manifold in more power with the same dimen- ficient. They save cost and weight. for metal and dirt particles, before installing sions. It increases the engines efficiency. the new intercooler. Failure mode / Source of failure > This is the so called “supercharging”. This A cooling system is only as good as the NRF intercooler product range > also affects a longer durability of the com- materials used. High temperatures and pres- • In-house testing and manufacturing bustion parts. The lower the air temperature sure wear out the materials. Hoses and con- • Aluminium performance cores to meet of the compressed air, the more efficient the nections get porous and leaky after a while. necessary cooling capacity engine burns the fuel. A positive side effect: Frequent maintenance is always recommen- • Fastmovers available as Easy Fit If the supercharging is not used for more dable. But also stone collision, poor crash (including fitting materials power, the engine will consume less fuel • Available for cars, light commercial and produce less exhaust emissions. vehicles, trucks and buses. 6

5 The intercooler: 1 4 2 wheel Turbocharger 7 3 Charge Air Cooler 4 Intake manifold 9 10 2 3 5 Inlet Valve 6 Exhaust Valve 7 8 8 Turbine wheel Turbocharger 9 Exhaust Pipe 10 Bypass Valve 1

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