Smoke extration fan BVHA
HV-BVHA F400/F300 smoke exhaust axial-flow fan series
BVHA nominal sizes: 335-1400mm
Tested and certified according to EN 12101-3, class F400 and F300. Also for horizontal and vertical installation.
Casing of sheet-steel with rolled flanges on both sides and with welded outlet guide vanes as motor support.
Surfaces protected through hot dip galvanizing or powder painting.
Impeller with steel blades welded on a steel hub that directly mounted on motor shaft. Pitch angle is fixed. Impeller is dynamically balanced according to EN ISO 1940-1, balance quality class G 6.3.
Three-phase alternating current motor / special F400/F300 motor in B3 or B14 mounting, protection type IP55 / insulation class H. Motor power selected for a cold start at pure air with a density of ρ =1,2kg/m³. Electrical wiring on the externally located terminal box.
Performance curves are according to EN 24163 and EN ISO 5801 tested in a tube testing station.
- Tunnel fans on both sides silencers, tested and certified according to EN 12101-3, class F400 or F300.