Press release mann+hummel international GmbH & Co. Kg
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- Effective filtration of even tiny water droplets
- Droplets join together into drops in the coalescer fleece
- Easy-to-service concept
- Excellent performance across the entire service interval
- Press photo
- About MANN+HUMMEL
PRESS RELEASE
MANN+HUMMEL International GmbH & Co. KG 71631 Ludwigsburg, Germany
Corporate Communications Tel.: +49 (0) 7141 98-4266 Fax: +49 (0) 7141 98-3946 E-mail: press@mann-hummel.com Internet: www.mann-hummel.com
MANN-FILTER is presenting new diesel fuel filters with three-stage water separation for the independent aftermarket at the Automechanika. The innovative filters achieve consistently high water separation efficiency of over 90 percent, making them one of the technical highlights of the MANN-FILTER product range.
– Even high-quality diesel may contain traces of water, whether from moist air entering through the tank opening or from condensation in the large tanks used to store the diesel in gas stations. However, advanced common rail diesel injection systems with pressures of up to 2,500 bar have higher requirements than simple mechanical systems in terms of the purity of the fuel. Tiny dirt particles as well as water drops can damage the components of the fuel circuit, which in the worst case can result in system failure. Another challenge is the composition of modern diesel fuels, which have changed greatly in recent years: they contain very little sulfur and have higher proportions of biofuel and additives. This results in the formation of very small and stable water drops in the diesel fuel and requires a new water separation technology.
If water enters the fuel circuit, it is reduced to small drops in the low-pressure fuel pump. After several fuel cycles, drop sizes smaller than 1/10th the diameter of a human hair are possible. The innovative PU 9005 z and PU 10 011 z diesel fuel filters from MANN-FILTER are designed for the challenging job of removing these very small and finely distributed water droplets from the diesel fuel. Fuel flows from the outside to the inside of the three-stage filter element (pressure- side filter operation). In the first stage, the filter medium reliably removes solid dirt particles from the diesel fuel. The second filter stage uses a coalescer fleece. It retains even the finest water droplets from the fuel/water emulsion and combines them to form much larger drops. In the third stage, a hydrophobic sieve ensures that the enlarged drops do not enter the injection system. Gravity causes the separated water to collect in a water collection chamber in the filter module. A sensor signals as soon as the water needs to be manually drained or siphoned. Metal-free elements mean that both filters are completely incinerable and therefore can be recycled to protect the environment.
The PU 10 011 z offers even more: it is equipped with a handle so the filter can easily be replaced in the workshop. A screw integrated in the housing cover
PRESS RELEASE
MANN+HUMMEL International GmbH & Co. KG 71631 Ludwigsburg, Germany
Corporate Communications Tel.: +49 (0) 7141 98-4266 Fax: +49 (0) 7141 98-3946 E-mail: press@mann-hummel.com Internet: www.mann-hummel.com
also ensures easy water removal from above during servicing. International filtration expert MANN+HUMMEL is already mass producing the highly efficient diesel fuel filters for several automobile manufacturers.
Since May the new filter has also been available as MANN-FILTER PU 9005 z for the Opel Astra K in the independent automotive aftersales market in original equipment quality.For the V6 and V8 diesel engines of the VW Touareg and Audi Q7/Q8 the new fuel filter will be available as MANN-FILTER PU 10 011 z to the independent aftersales market from fall 2016.
With the three-stage water separators, car workshops and wholesalers are offering their customers a new filter element which achieves extremely high efficiency over its entire service life. It separates more than 93 percent of the water in fuel when new, and its separation efficiency is still over 90 percent at the end of the service interval. The benefit for the vehicle owner is therefore clear: "Whether corrosion or cavitation effects in injectors, valves, or the electric injection pump, this innovative separation technology from MANN-FILTER greatly reduces damage that can result in system failure," says Lena Ketschau, Product Manager Fuel Filters in MANN+HUMMEL's Automotive Aftermarket business unit. Reliable performance is all the more important if the vehicle is used in countries where the fuel has a high water content.
MANN+HUMMEL has filed several patents for the new filter technology with the German Patent and Trademark Office as well as in other countries.
MANN+HUMMEL at the Automechanika in Frankfurt 2016 Hall 3, Stand A51
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: New diesel fuel filters from MANN-FILTER with improved water separation
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MANN+HUMMEL International GmbH & Co. KG 71631 Ludwigsburg, Germany
Corporate Communications Tel.: +49 (0) 7141 98-4266 Fax: +49 (0) 7141 98-3946 E-mail: press@mann-hummel.com Internet: www.mann-hummel.com
Sinikka Kenklies
Tel.: +49 (0) 7141 98-2063
E-mail: sinikka.kenklies@mann-hummel.com
Kersten Solacroup
Tel.: +49 (0) 7141 98-2260
E-mail: kersten.solacroup@mann-hummel.com
The MANN+HUMMEL Group is a leading global expert for filtration solutions and development partner and original equipment supplier to the international automotive and mechanical engineering industries. In 2015, a workforce of over 16,000 employees at more than 60 locations worldwide generated sales of approx. 3 billion euros. The acquisition of the Affinia Group involves the addition of around 4,500 employees, some 10 locations and approx. 900 million euros in sales. The group’s product portfolio includes air filter systems, intake manifold systems, liquid filter systems, cabin filters and technical plastic parts, as well as filter elements for vehicle servicing and repair. For mechanical engineering, process engineering and other industrial applications, the company’s product range encompasses industrial filters, membrane filters for water filtration and filter systems. Further information about MANN+HUMMEL can be found at www.mann- hummel.com
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