Company History ─
Firmly in control since 1885!
Mankenberg develops the modular pressure reducing valve DM 555 with exchangeable seats and adapters for threads and flanges
Project 'Development of a new Generation of Pipeline Valves of large Nominal Diameter for Water, Oil and Gas' promoted by the German WTSH (Business Development and Technology Transfer Corporation of Schleswig-Holstein)
Relocation to the newly built premises of Mankenberg GmbH in the Spenglerstrasse in Luebeck.
First deep-drawn stainless steel pressure reducing valve (DM 662)
Eviction of the factory in Szczecin ordered by the occupying power. Permission was given to resume production in the Brolingstrasse in Luebeck.
Gustav Mankenberg transferred the company to the industrial location of Szczecin, where he manufactured cast products and valves.
Gustav Mankenberg founded the company GUSTAV MANKENBERG in the German city of Heide.