Description
The Elta Singleflow SSDL is a centrifugal box fan engineered for external mounting, featuring advanced backward-curved impellers and acoustic lining as standard. Available in eight standard sizes from 100mm to 500mm, it delivers air volumes up to 1.820 m³/s and static pressures up to 910 Pa in ambient temperatures up to +60°C.
Powered by an EC external rotor motor, it offers stepless speed control without tonal noise generation, with integrated commissioning control for single-speed selection and external potentiometer or building management system compatibility. The 1.2mm galvanised mild steel casing and ISO 1940-1 balanced impeller ensure robust, smooth operation, with circular duct connections standard (rectangular available on request) and a 12-month warranty.
Key specifications
- Sizes: 8 standard sizes, 100mm to 500mm
- Air volume: up to 1.820 m³/s
- Static pressure: up to 910 Pa
- Impeller: high-efficiency backward-curved centrifugal, ISO 1940-1 balanced
- Motor: EC external rotor, IP44, stepless speed control
- Casing: 1.2mm galvanised mild steel sheet, acoustically lined as standard
- Duct connection: circular (rectangular available on request)
- Operating temperature: up to +60°C
- Warranty: 12 months
Delivery Information
Made to OrderThis item is made to order. Please allow 15-20 working days for delivery.
Delivery Options
| Service | Estimated Delivery | Cost |
|---|
| Standard Delivery (UK mainland) | Next working day from dispatch | £15.95 +VAT (£7.95 for small items) |
| Free Delivery | Next working day from dispatch | Free on orders over £400 ex VAT |
| Click & Collect | Collect from our Leicester branch | Free |
| Scottish Highlands & Islands | 2-3 working days from dispatch | £36.95 +VAT |
Delivery Area
We deliver to all UK mainland addresses. Scottish Highlands and Islands deliveries may take a little longer. We are not currently delivering to Northern Ireland — Click & Collect remains available.
Questions about delivery? Call us on 0116 246 0031 or email sales@alphaair.co.uk
Returns Policy
Six-Week Returns — No Restocking Fees
We want you to buy with confidence. You can return any standard stocked item within six weeks (42 days) of delivery for a full refund — 100% of the item price, no restocking or handling fees. Trade and business customers get exactly the same rights as retail customers. See our Returns Policy for full details.
Return Conditions
- Items must be unused and in original packaging
- Custom-made, bespoke or powder-coated items are made to your specification and cannot be returned unless faulty
- Items must be returned with proof of purchase
- Return shipping costs are the responsibility of the customer unless the item is faulty
How to Return
- Contact our customer service team to arrange a return
- Pack the item securely in its original packaging
- Include your order number and reason for return
- Ship the item to our returns address
Faulty Items
If you receive a faulty or damaged item, please let us know as soon as possible — ideally within 48 hours of delivery, so we can claim against the courier on your behalf. We will arrange a free collection and send a replacement or issue a full refund. This does not affect your statutory rights.
Questions? Contact us at sales@alphaair.co.uk
