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DUAP- Quality is based on 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 the 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.
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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.
Chronicle
- 1943 Founded
- 1956 Move to present factory
- 1969 Commencement of high precision manufacture (turned parts from drilling machines)
- 1983 First pump injector built by DUAP
- 1985 Continuous extension of own heat treatment plant
- 1987 Focus on EFI Diesels with manufacture of trial samples and testing equipment
- 1996 Building of the first Piezo Common Rail injector
- 1998 Launching of the new high quality DUATOP product range
- 2000 Market introduction of the DUARAIL common rail system with modular construction,
own high pressure pumps (up to 2000 bar), high pressure piping systems and rails,
injectors and electronic controls.
- 2006 Introduction of the RECON for EFI diesels
- 2007 DUARAIL introduced in China
- 2008 New production building 2700m2
Company Philosophy
 It is important for our customers to know what sort of a company
we are and how we approach our responsibilities in business.
Man stands at the centre of our philosophy. To identify correctly his
wishes and complex problems and to offer solutions for these, is in the interests of both parties. We have to listen! «Give and Take» is an
intrinsic part of all partnerships and from this stems the AVSP
(added value sharing partnership) Philosophy.
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