Witzenmann gmbh was established as a jewellery manufacturer in pforzheim, southern germany, by heinrich witzenmann. Witzenmann gmbh later invented the metal hose along with eugene levasseur. Tüv certified welders and welding procedures [laser, plasma, tig], individual qualifications in high security engineering and worldwide approval by the most important independent test institutes ensure that even the most strict acceptance conditions can be fulfilled. The company, and its daughter concern, witzenmann india, offers a range of metal hoses, expansion joints, metal hose expansion joints, double-walled welded metal hoses and expansion joints, metal bellows and multi-ply axial expansion joints for use in the chemicals industry and production plants. Optimised valve construction series with low construction heights are available in 1.4541, 1.4571, 1.4404 and 1.4306 stainless steel. And special materials such as hastelloy, inconel or incoloy are available at the warehouse. A range of fittings is provided by witzenmann gmbh. Here, one finds the highest demands for pressure stability, impermeability and axial movement absorption under high load tolerances.
