Multiflow SMB

The Elta Multiflow SMB is a square, duct-mounted mixed flow box fan whose three-dimensional, backward-curved aerofoil blades discharge air diagonally — combining the pressure development of a centrifugal fan with the compact build of an axial unit. The result is air volumes up to 4.07 m³/s and static pressures up to 796 Pa from a casing that slots straight into ducted systems.

We offer six sizes from 400mm to 700mm, with single-phase and three-phase AC external rotor motors available across the range (the 700mm in three-phase).

• Backward-curved aerofoil-section blades with three-dimensional geometry for quiet, efficient running
• Lightweight all-metal, pre-galvanised steel construction with Ductmate flanges for straightforward installation
• Motor thermal class 130 or 155; ambient operation up to +60°C
• Speed control via stepped transformer voltage controllers
• 12-month warranty

For a twin-fan standby setup consider the Twinflow STDL, or browse the full box fan range. Lead times are shown on every product page, and orders over £400 ex VAT include free UK mainland delivery.