Elta SMB450 Inline Mixed Flow Box Fan - 450mm Single Phase AC

The Elta SMB450 Inline Mixed Flow Box Fan – 450 mm Single Phase AC is a high‑efficiency duct‑mounted ventilation fan designed for commercial and industrial HVAC systems. Part of the Multiflow SMB mixed flow box fan range, it features a robust pre‑galvanised steel casing with Ductmate flange connections for easy installation and backward‑curved aerofoil blades for superior airflow performance and low noise. With a single‑phase AC external rotor motor and suitability for operating temperatures up to +60 °C, the SMB450 is ideal for extraction and supply applications in workshops, factories, commercial buildings and large duct networks.

Material & Build Quality

• Casing: Heavy‑duty pre‑galvanised sheet steel construction with flange connections for straightforward duct mounting.

• Impeller: Mixed flow, backward‑curved aerofoil blades for high volume airflow, efficiency and reduced acoustic emissions.

• Motor: Single‑phase AC external rotor with sealed bearings for reliable performance.

• Operating Temp: Rated for ambient temperatures up to +60 °C.

Specifications

• Product Type: Inline Mixed Flow Box Fan – Multiflow SMB Series

• Model: SMB450 / 4‑1AC (Single‑Phase AC)

• Fan Diameter: 450 mm

• Casing Material: Pre‑galvanised sheet steel (flanged connections).

• Impeller Type: Backward‑curved aerofoil mixed flow blades.

• Motor Type: Single‑phase AC external rotor with sealed for life bearings.

• Operating Temp: Up to +60 °C ambient air.

• Installation: Inline duct mounted with Ductmate flange connections.

• Applications: HVAC extract/supply systems, ducted ventilation in commercial, industrial and large buildings.