Bring power to site tools through protected connections, including outdoors.

Ventilation system Master Blm 4800
Key features
- Air flow rate (m³/h)1.500
- Head245 Pa
- FanAxial type
- Fan speed1
- Current draw230 W
- External diameter230 Ø mm
What it is
Master BLM 4800 professional blower by Dantherm Group with a metal casing, designed for intensive professional use. The single-speed axial fan moves 1500 m³/h with a pressure head of 245 Pa and draws 230 W at 220-240 V. The motor has thermal protection, the protection rating is IP44 and flexible ducts connect to both the inlet side, of 250 mm, and the outlet side. It weighs 6.4 kg and measures 250 x 305 x 230 mm.
These are air treatment units and components: fans, air purifiers, sanitising systems, heat pumps, ducting, grilles and ventilation fittings.
What it is for
Used for work in dusty environments and for ventilating workplaces.
How to use it
Choose the unit according to the room volume and place it on a stable base, with unobstructed air inlets and ducts as short and straight as possible. Use ozone generators only in rooms with no people or animals present, ventilating before re-entering. Clean or replace filters and grilles periodically.
Where it is used
- Industrial construction
- Building maintenance
- Renovation
Technical data
- Air flow rate (m³/h): 1.500
- Head: 245 Pa
- Fan: Axial type
- Fan speed: 1
- Current draw: 230 W
- External diameter: 230 Ø mm
- Inlet diameter: 250 Ø mm
- Air flow: Blow/vacuum
- Protection: IP44
- Net/gross weight (kg): 6,4/8
- Paddle: 40 pz
Who it is for
Designed for building maintenance operatives, industrial maintenance technicians and construction workers.
Technical specifications
| Feature | Value |
|---|---|
| Air flow rate | m³/h |
| Power supply | V/Hz |
| Product dimensions (L x W x H) | mm |
| Packaging dimensions (L x W x H) | mm |
| Net/gross weight | kg |
Related products
- Ventilation system Master Blm 6800
- Ventilation system Master BL 8800
- Condensation dehumidifier DH 721 Master Dantherm Group — from the category Dehumidifiers and Heat Pumps
- 2-way outlet – Ø230mm for B 18 heaters Master Dantherm Group — from the category Electric and Gas Hot Air Heaters
- Extension lead – 16 A / 10 m for Master heaters, dehumidifiers and fans, Dantherm Group — from the category Site Electrical Equipment: Plugs, Sockets, Cables and Extension Leads
- Browse the whole category: Ventilation Systems, Air Grilles and Vents
Before you order
In your request, please state the diameter, the rated load or flow rate and the quantities required, so we can give you the right quotation first time.
For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.
Specifications 12
| Air flow rate (m³/h) | 1.500 |
|---|---|
| Head | 245 Pa |
| Fan | Axial type |
| Fan speed | 1 |
| Current draw | 230 W |
| External diameter | 230 Ø mm |
| Inlet diameter | 250 Ø mm |
| Air flow | Blow/vacuum |
| Protection | IP44 |
| Net/gross weight (kg) | 6,4/8 |
| Paddle | 40 pz |
| Item code | 4515.559 |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Clamp hoses, sleeves and cables to secure them to fittings and supports.
Extract moisture from the air to dry rooms, building sites and indoor pools.
For safety
Protect the airways from dust, fumes, gases and vapours during work.




