Blast valve is been designed to remain protected from dangerous blast of bombs, gas, heat, radiation, natural hazards or any kind of physical impact. Lunar blast valves UeV/ESV 1 bar that exceed the standards of the industry and the shelter openings are insured of having no weak spot.
These blast valves are used in air outlet openings of civil defense shelters, military facilities and industrial buildings to block out the destructive effects of all type of explosions. This valve is also as effective as over pressure valve. Valve casing and wall frame are made from hot galvanized steel while the shutting device is made of stainless steel. Your safety is completely assured with this type of blast valve.
The valve 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.