EVTT BOOST In-line circular duct fans for air volumes up to 3350 m³/h
Description
Single-phase 3-speed circular duct fans with high efficiency and low energy consumption.
Characteristics
- Housing:
- Made of black polymer;
- For Ø 355 and 400 models, the housing is reinforced with a metal frame for enhanced durability.
- Impeller:
- Conical polymer impeller with specially profiled blades.
- Increased air velocity, resulting in:
- Higher airflow capacity;
- Higher pressure compared to standard axial fans.
- Airflow Optimization:
- Diffuser, impeller, and flow straightener at the fan outlet;
- Ensures uniform air distribution;
- Provides the best combination of high airflow, increased pressure, and low noise level.
- Diffuser, impeller, and flow straightener at the fan outlet;
- Electrical Connection:
- The fan housing is equipped with an IPx4-rated terminal box for safe connection to the electrical network.
Use
The units are designed for supply or exhaust ventilation systems requiring high airflow, suitable for:
- Commercial buildings, offices, and other public or industrial premises
- High-humidity environments (e.g., bathrooms, kitchens, production areas)
Key Features:
- Duct compatibility: Ø 200, 355, and 400 mm
- Airflow capacity: 752 ÷ 3350 m³/h
- Maximum static pressure: up to 350 Pa.
Accessories
Electronic speed regulator RCS 300
Dimensions
All dimensons are in millimeters.
Model A Ø D D1 H mm mm mm mm 
EVTT BOOST 200 302 198,5 293 308 EVTT BOOST 355 388 350 390 450 EVTT BOOST 400 388 395 441 500
Support Dimensions
All measures are in mm.
Model A A1 H H1 B mm mm mm mm mm 
EVTT BOOST 355 506 567 213 204 180 EVTT BOOST 400 563 624 235 228 180
Operating Data
dB (A ) : noise index to 3 m
Model Speed RPM Power Input Maximum Temperature of the transported Air Sound Pressure at 3m Flow Rate m3/h r.p.m. W A °C dB(A) 0 Pa 40 Pa 80 Pa 100 Pa 150 Pa 200 Pa 250 Pa 300 Pa EVTT BOOST 200 Min. 1866 82 0,37 -25°C...+55°C 39 752 590 500 450 80 Med. 2400 101 0,45 46 978 860 750 720 580 400 70 Max. 2738 113 0,51 50 1140 1080 970 920 800 650 320 150 EVTT BOOST 355 Min. 1350 126 0,60 -25°C...+55°C 38 2090 1650 1300 1250 350 Med. 1400 131 0,62 38 2296 1950 1750 1600 650 Max. 1470 150 0,66 43 2485 2250 2100 1900 700 300 EVTT BOOST 400 Min. 1320 197 0,91 -25°C...+55°C 40 2677 2180 1800 1650 1000 Med. 1390 204 0,93 42 3136 2800 2500 2350 1800 650 Max. 1446 224 0,98 43 3350 3150 2800 2700 2740 800 300
Price List
Speed control
Model € RCS 300 116,06
