Quality and Tradition   Since 1885 the name Mankenberg has been identified with the highest level of quality in the of control engineering. Nowadays Mankenberg GmbH manufactures its entire range of industrial control valves in a modern plant in Lübeck. wherever precise control of pressure, volume or level are required, Mankenberg is able to offer an optimal solution. Our promise to our customers remains as valid today as it has been in the past: Firmly in control.