Lunor Blast Valves (UeV/ESV) are used in air outlet openings of civil defense shelters, military facilities and industrial buildings to block out the destructive effects of all types of explosions.
This product is tested and approved by the Armament Technology and Procurement Group of Switzerland and is designed according to the directives of the Swiss Federal Office of Civil Defense.
Valve casing and wall frame are made from hot galvanized steel.
the shutting device is made of stainless steel
This valve is also effective as an overpressure valve.