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 SMB550 Inline Mixed Flow Box Fan – 550 mm Single Phase AC is a high‑performance ventilation fan from Elta’s Multiflow SMB range, engineered for commercial and industrial HVAC systems. Built with a heavy‑duty pre‑galvanised steel casing and Ductmate flanged duct connections, this mixed‑flow box fan delivers powerful, efficient airflow with reduced acoustic noise. The backward‑curved aerofoil impeller ensures strong air movement and consistent performance. Powered by a reliable single‑phase AC external rotor motor, the SMB550 is ideal for supply or extract ventilation in large duct networks, factories, warehouses, and commercial buildings.
Casing: Pre‑galvanised sheet steel with flanged connections for easy duct mounting
Impeller: High‑efficiency backward‑curved mixed‑flow blades
Motor: Single‑phase AC external rotor motor with sealed bearings for durability
Operating Temp: Rated for operation up to +60 °C
Finish: Corrosion‑resistant protective coating
Product Type: Inline Mixed Flow Box Fan (Multiflow SMB series)
Model: SMB550 / 4‑1AC (Single‑Phase AC)
Fan Diameter: 550 mm
Casing Material: Pre‑galvanised steel with Ductmate flanges
Impeller Type: Backward‑curved aerofoil mixed‑flow blades
Motor Type: Single‑phase AC external rotor motor
Voltage: 230–240 V AC / 50 Hz
Operating Temperature: Up to +60 °C ambient air
Installation: Inline duct mounting with flange connections
Applications: HVAC supply/extract ventilation, industrial and commercial duct systems, warehouses, workshops, and large ventilation networks
Estimated Delivery: 2–5 Working Days
Shipping costs will be calculated during checkout.
Check delivery options at checkout
The Elta SMB550 Inline Mixed Flow Box Fan – 550 mm Single Phase AC is a high‑performance ventilation fan from Elta’s Multiflow SMB range, engineered for commercial and industrial HVAC systems. Built with a heavy‑duty pre‑galvanised steel casing and Ductmate flanged duct connections, this mixed‑flow box fan delivers powerful, efficient airflow with reduced acoustic noise. The backward‑curved aerofoil impeller ensures strong air movement and consistent performance. Powered by a reliable single‑phase AC external rotor motor, the SMB550 is ideal for supply or extract ventilation in large duct networks, factories, warehouses, and commercial buildings.
Casing: Pre‑galvanised sheet steel with flanged connections for easy duct mounting
Impeller: High‑efficiency backward‑curved mixed‑flow blades
Motor: Single‑phase AC external rotor motor with sealed bearings for durability
Operating Temp: Rated for operation up to +60 °C
Finish: Corrosion‑resistant protective coating
Product Type: Inline Mixed Flow Box Fan (Multiflow SMB series)
Model: SMB550 / 4‑1AC (Single‑Phase AC)
Fan Diameter: 550 mm
Casing Material: Pre‑galvanised steel with Ductmate flanges
Impeller Type: Backward‑curved aerofoil mixed‑flow blades
Motor Type: Single‑phase AC external rotor motor
Voltage: 230–240 V AC / 50 Hz
Operating Temperature: Up to +60 °C ambient air
Installation: Inline duct mounting with flange connections
Applications: HVAC supply/extract ventilation, industrial and commercial duct systems, warehouses, workshops, and large ventilation networks
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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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