... + 40oC, maximum altitude (above sea level) 1000m, and maximum relative humidity 85%.
Standards:
IEC: 60034-5:2007; 60034-1:2010; 1143:1985; 10881-85.
The axial fans are divided into a few sections:
•Elegant & Stylish
•Standard
•Industrial
•High temperature
•Heat recovery ventilation systems...