Nationwide UK Delivery
Trade Accounts Available
Technical Support
Nationwide UK Delivery
Trade Accounts Available
Technical Support
| Availability | In Stock & Ready to Dispatch |
| Bulk Orders | Project & Bulk Quantities Available |
| In-House Logistics | Reliable Delivery with Standard and Express Shipping Options |
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.
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.
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.
Estimated Delivery: 2–5 Working Days
Shipping costs will be calculated during checkout.
Check delivery options at checkout
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.
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.
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.
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Shipping Information • UK-wide delivery, including Northern Ireland, Scottish Highlands and remote locations. • Orders are processed within 1–2 working days (Mon–Fri). • Standard UK delivery takes approximately 2–5 working days from purchase. • Shipping costs are calculated at checkout based on order size, weight and delivery location. • Free delivery is available on selected orders. Additional charges may apply for large, bulky or remote-area deliveries. • Tracking details are provided once your order has been dispatched. • International shipping is available. Customs duties, taxes and import fees may apply and are the responsibility of the customer. • If your order arrives damaged, incorrect or incomplete, please contact us within 7 days of delivery. For full details, please see our Shipping Policy.
Returns must be requested within 7 days of delivery and approved before being sent back. Items must be unused, undamaged, and in their original packaging. Customers are responsible for return shipping costs, and a restocking fee of up to 25% may apply. Refunds are processed within 3–5 working days after inspection. For damaged, faulty, or incorrect items, please contact us within 7 days of delivery.
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