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Company Factsheet

Nature of Business
Retailer

Total Number of Employees
51 to 100 People

Year of Establishment
2006

Legal Status of Firm
Private Limited Company

GST No.
27AABCE4857D1ZQ

Products & Services

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Lightweight Catalytic Converters

Ball Bearing

Making sure that customers benefit from low emissions and low system costs for powertrain development takes more than optimising the combustion process in the engine and the efficiency of the exhaust gas aftertreatment. Weight reduction has become another important development factor with the aim to harness the resulting advantages of lower fuel consumption and lower engine-out emissions. This is where lightweight catalytic converters, whose wall thickness has been reduced from between 1 and 2 mm to only 0.5 mm, come into their own.

Depending on volume and diameter it is possible to save between 10% and 40% of weight. Weight savings of this magnitude were first achieved by lightweight catalytic converters that were fitted to the Porsche Panamera and several Cayenne models in 2008. The rigidity of the catalytic converter is further increased if a bionic structure consisting of a large number of three-dimensional shapes is applied to the jacket. Concave vault structures, which were developed by Dr. Mirtsch Wölbstrukturierung GmbH, improve flexural rigidity and inherent stability by up to 65% compared to unstructured jackets. Structured catalytic converters are now used for the first time in the new BMW R 1200 GS.

A 0.5 mm jacket offers high durability under thermal shock loads because of the smaller difference in the thermal capacities of the jacket and the matrix. In the case of thermal shock, the temperature of the catalytic converter jacket rises much faster and to a much higher point and so reduces the temperature differences inside the catalytic converter.

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High Cell Density Metal Substrates

Ball Bearing

A change in catalyst cell density (measured in cells per square inch) affects several important parameters, such as geometric surface, mass and heat transfer and resulting pressure loss (exhaust backpressure).

This makes it possible to adjust the properties of the catalyst to the requirements of the specific application, from production cars and sports cars to racing cars.

An increase in cell density leads to a corresponding increase in the catalytically effective surface without changing the overall size of the catalyst. This significantly improves the efficiency of the system at operating temperature. Under specific test conditions a catalyst with a volume of 1.3 litres and a cell density of 400 cpsi is less effective at converting hydrocarbons than a 1000 cpsi Metalit® with a volume of just 0.4 litres.

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Metalit Catalysts

Ball Bearing
Metalit® catalysts from emitec offer numerous advantages:
  •  Metalit® catalysts cause virtually no exhaust backpressure.
  •  The catalysts light off more quickly thanks to their low heat capacity.
  •  The catalysts are welded to the complete exhaust system for easy installation and require no additional mounting.
  •  The size of the catalysts can be reduced by 30 % without compromising their efficiency thanks to turbulence-generating metal foils. This also delivers a 30 % saving in expensive precious metals.
  •  The overall catalyst system (metalit® plus coating) is a cost-effective alternative that improves emission control.
  •  Metalit® catalysts can be prepared in a wide range of sizes and cross-sections (round, oval, square, hexagonal, etc.) for each specific application.
  •  Over 100 million metalit® products are testament to our customers’ confidence in the outstanding properties of emitec products.
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The Hybridkat Oxidation Catalysts

Ball Bearing
An effective oxidation catalyst for diesel engines must adapt to the low temperature level of the exhaust gases and utilize the potential good heat management measures.

Short heating - good heat storage

The oxidation catalyst has reached its operating temperature as quickly as possible. For this reason, the heating time should be short. This is favored by close-coupled arrangement and the use of an extremely thin metal foil. On the other hand, it is important to delay the cooling of the matrix, for example, in thrust phases. Here thicker films lead to better results. The hybridkat ™ developed by emitec has two different metalit ®catalysts with graded thermal capacity. The front catalyst has more cpsi (cells per square inch) and a thinner film. It makes for a very quick catalyst light (early light-off). The following catalyst with less cpsi and a thicker film combines early pounce with good heat storage in a single component.

By using a hybrid structure with different heat capacities in the front and rear part of the performance will be positively influenced. Depending on engine power and vehicle weight, the exhaust gas pollutants carbon monoxide (co) and hydrocarbons (hc) are reduced by up to 60% thanks to the use of a hybrid ™ catalyst.
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Emitec Emission Control Technologies India Private Limited 282/1, Vilalge Maan, Taluka-Mulshi, Talukamulshi,
Pune-411057, Maharashtra, India

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