Fans are used in accordance with the requirements of DBN B 2.5.67 and DBN B 1.1-7 in exhaust anti-smoke ventilation systems to remove combustion products (smoke and gases) that occur during a fire in buildings and structures of various purposes.
Depending on the application conditions, fans can be manufactured in the following versions:
SEF fan:
standard execution for removing combustion products arising during a fire, as well as for moving air and other non-aggressive gas mixtures in general exchange ventilation systems;
SEF-E fan:
explosion-proof execution;
Operating conditions:
- Fans, depending on their design, can move gases with a temperature of up to 400°C for 120 minutes (at least) or with a temperature of up to 600°C for 120 minutes (at least).
- The root mean square value of the vibration resistance of external sources of vibration in the places where the fans are installed should exceed 2 mm/s. The fan is installed outside the area where people stay for a long time.
Additional equipment:
- heat-insulating case
- the connector is soft protection
- control automation
- reverse flange
- soft start device
- frequency converter
- vibration isolators
