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Airport fire fighting vehicles with a Euro 5 engine

Rosenbauer (Germany) has announced that a Volvo engine has been installed in the entire Panther ARFFs vehicle series for the first time. These airport fire appliances offer a blend of chassis, superstructure and fire fighting technology from a single source. The components communicate via a CAN network.

(Photo: Rosenbauer)

THE TRUCKS ARE CURRENTLY THE MOST MODERN and environment-friendly power unit available for the Panther fleet and is fitted with exhaust gas post-treatment, which means that it already meets the emission limits imposed by the Euro 5 exhaust gas standard. The Volvo engine for the series is a 6-cylinder, common rail diesel with exhaust gas turbocharger that generates 515 kW at 1,800 1/min. It was originally developed for maritime purposes, but the high-speed, 4-stroke is now used primarily in industrial, off-road machinery, powering construction, mining and transport equipment.

With a cubic capacity of 16 l, the base body is practically identical with the engines that Volvo installs in its most powerful trucks and buses. Moreover, the performance curve and exhaust gas regulation are also identical. However, installation at the rear of the Panther necessitated the redesign of the radiator and the exhaust gas lines and hence the individual certification of the engine as a separate on-/off-road unit with regard to the Euro 5 exhaust gas standard.

(Photo: Rosenbauer)

Front monitor

In the case of the Panther vehicle series, the RM15 is employed as a front monitor. This monitor can possess electrical volume adjustment. Moreover, if required, it can be fitted with an optional Chemcore nozzle, which emits water in combination with powder (1,5 kg/s). The monitor has a through-flow volume of up to 1,500 l/min of water or water/foam mix, as well as throw distances of over 65 m with water and 47 m with foam. This monitor uses the latest CAN network technology, which is to be gradually introduced to the entire range. This allows slower and therefore more precise steering of the monitor, which enhances the sensitivity of the monitor controls still further in order that the extinguishing agents can be applied with absolute accuracy to the seat of the fire from a greater distance.

(Photo: Rosenbauer)

Gas regulation

Since 2004, Volvo engines have been fitted with an exhaust gas control system for the reduction of nitrogen oxides, which is called selective catalytic reduction, or SCR for short. The NOx emissions are reduced to the required level by a catalyst located downstream of the engine, while engine management with corresponding combustion temperatures ensures that a separate particle filter is not required, as no larger soot particles are created.

In order to achieve what is currently the next exhaust gas value level with Euro 5, the Volvo engine is fitted with additional Adblue urea injection. In Adblue technology, up to 5 percent of urea is injected into the exhaust gas flow containing NOx in line with the engine load. This combined flow is then conducted through the SCR catalyst, which splits the NOx into nitrogen and water.

The vehicles are already in operation in Bremen (Germany), Linz (Austria) and Lyon (France) and the next versions are to be stationed at airports in Riga (Latvia) as well as Auckland (New Zealand), Cologne-Bonn and Dortmund (Germany).

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