VOSS was also producing valves, tubing and hoses for commercial vehicles, Products for the commercial vehicle sector: cutting ring fittings, the 230/240 quick connect systems, valves and manifolds. Up to [...] VOSS was also producing valves, tubing and hoses for commercial vehicles, Products for the commercial vehicle sector: cutting ring fittings, the 230/240 quick connect systems, valves and manifolds. Up to [...] foundry, metal machining and assembly facilities. When the Armaturenfabrik Dr. Koch also became insol- vent as a result of the ongoing economic depression, Voss took over the company. On 15th September 1931