1995

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)


2019

Market launch of the world's first five offset Butterfly Valve V-AXX


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)