Framatome / Vanatome / Valserve / Segault

Vanatome, based in Saint-Vallier in the Auvergne-Rhone-Alpes region of France, is an industrial reference in sealing systems serving customers in the nuclear, defense and low-carbon energy sectors. Operating within the Framatome valve solutions activities, which also encompass the Valserve and Segault names, the company is an independent metallurgical business employing between 51 and 200 people.

To support major nuclear programs, the revival of the nuclear sector and its own growth, including EPR2 projects, Vanatome is carrying out a major site extension adding 1,500 square meters of infrastructure, with construction starting in 2027 while production continues throughout the works. The investment strengthens the industrial capacity, reliability, expertise and innovation of the sealing solutions business for the energies of today and tomorrow.