Defense, submarines and nuclear

Nuclear and Naval / Submarine

For many years now, Guichon Valves has gained a reputation as manufacturer of flow cutting equipments for installation in military submarines. Thanks to its knowledge of fluids circuits involved and of requirements related to the installation constraints, Guichon Valves designed and manufactured several types of high pressures and shocks resistant valves made in sea water resistant high alloys.
The valves have been installed in the following submarines for DCNS (Thales group) : SNG, SNA, SNLE, AGOSTA, BARRACUDA. Guichon has supplied aswell valves and safety valves for surface vessel (FREMM multipurpose frigate) and the french aircraft carrier Charles de Gaulle.
In the nuclear field, Guichon Valves has for example designed and manufactured regulating valves for fission products, dead area free sectioning valves to limit staff contamination risks and remote controlled tank cleaning and decontamination valves to avoid any human intervention in dangerous areas.

nuclear energy, power plant Defense & submarines
Guichon’s long term relationship with DCNS