The screen "Sogda" 3 and its modification "Sogda" 3.01 are mobile. They are designed to protect firemans against heat radiation in the course of extinguishing fires and cooling technological and other equipment by manual fire-fighting hoses. They also can be used for protection of equipment in zone of fire. Under the cover of these screens one can carried out urgent works on the equipment in the course of fire.

"Sogda" 3 and "Sogda" 3.01 have constructive elements whereby they can be connected together, namely: by their ends with the increasing of size of the protected area, or by their peaks with the creating a zone, two of sides and the top of that are protected (the last figure on the right; see also "Fire-protective corridor" in part "Devices based on the screens").