1917 RagnAR CArlstedt applied for the patent of his nozzle/flapper system. Continuous control and automatic remote controls realised by means of pneumatic auxiliary energy. This invention accelerated the industrial development.
1949 Refoundation as ARCA Regler GmbH in Tönisvorst near Düsseldorf by Dr. Ing. Ludwig Kaspers and Adolf Paulsen.
1970 Foundation of a second branch factory near the Mosel river.
1992 Development of integrated and intelligent actuation for rotary and linear valves (patented world-wide).
1994 Continuation of von Rohr Armaturen AG, Switzerland (former Max von Rohr AG) and Von Rohr ARCA BV in the Netherlands.
2000 Since 1 November 2000 the FELUWA Pumpen GmbH is a member of the world-wide acting ARCA Flow Group.
2004 The ARTES Valve & Service GmbH, Berlin becomes a member of the ARCA Flow Group.