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DUAP

History

The history of DUAP is a story of continuity on the one hand and flexibility on the other. Since its establishment in 1943 DUAP has manufactured injection nozzles. The first customer was the leading tractor manufacturer in Switzerland.

Since 1963 DUAP have made co-operation agreements with some of the most important engine builders, for example Sulzer brothers, S.E.M.T. Pielstick and Wärtsilä for whom DUAP has developed and produced modern injection systems for their engines.

During this time injection systems for Diesel engines of all power ranges have been delivered throughout the world covering the complete scope of applications, Marine, Traction, Stationary, Automotive, and Aeronautical. Based on its extensive experience DUAP is pushing forward with its own research and development into new areas of material processing.

 

Products

DUAP develops, manufactures and sells complete injection systems and their spare parts throughout the world. In this way a long term co-operation is built up between the suppliers and the users of products.

DUAP also continues to develop spare parts such as nozzles, pump elements, constant pressure valves and delivery valves to ensure the continued economic viability of older engines even after the engine builder has ceased further development, for example the very popular DUATOP nozzle solution.

DUATOP products are characterised by a longer lifetime, less consumption and notably less pollution.

 

Development

Development is required not only in the design of new components but also in production. In many cases it is necessary to develop the processes which make it possible to realise new technical ideas.

Duap testing centre is are able to carry out further development of injection systems in large and small Diesel engines with a particular focus on optimising the atomisation and combustion processes in the cylinder.

The production and development departments are very flexible. With the latest machining centres we are able to produce complete systems from A – Z and with  highly qualified staff can take a project from computer drawings to finished product in the shortest possible period meeting customer requirements in a timely and economic way. In co-operation with well-known engine builders Duap is developing products for new applications as well as producing prototypes and small batches for testing.