Fans radial smoke exhaust VNR-DU/DUV
Fans are installed directly on the wall of the building inside or outside the room and are designed for removal of high-temperature smoke-emission mixtures arising at fire and simultaneous heat removal outside the room. This ensures localisation of the fire zone and makes it possible to carry out fire-fighting operations, rescue people and equipment. Fans can move gas-air mixtures with temperature up to 400°C and up to 600°C for at least 120 minutes.
Fans must be installed outside the room being served and outside the area of permanent occupancy.
Fans can be operated in moderate (U) and tropical (T) climates of the 1st category of placement according to GOST 15150.
Operating conditions:
ambient temperature
- from minus 45 to +40°? for temperate climate,
- from minus 10 to +50°C for tropical climate;
average value of vibration velocity of external vibration sources in the places of...
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