1998

Market launch of non-metallic containment shells made of heavy-duty technical ceramics


2020

Market launch of a hybrid double containment shell; the combination of a metallic and a non-metallic containment shell (technical ceramics)


2022

Market launch of non-metallic containment shells for pressure ratings of up to PN 63


2021

Klaus Union celebrates its 75th anniversary


1955

First magnet drive pumps unveiled at the Achema trade show.


1946

F. Klaus Maschinen- und Apparatebau GmbH founded by Franz Klaus at the company's current place at Blumenfeldstrasse 18 in Bochum, Germany


1957

Union Armaturen GmbH founded in Dortmund, Germany;
Construction of the first Titanpump in Europe


1961

Both firms pooled on the terrain of "F. Klaus Maschinen- und Apparatebau GmbH" in Bochum-Weitmar, Germany


1972

Both firms merged under the new company name "Franz Klaus Union Armaturen Pumpen GmbH & Co. KG"


1978

Development of a new magnet system (Basis Sm2Co17)