OverviewVENCO VAX-S-H axial smoke exhaust fans with double-skinned casing are F300 fire-resistant units designed for car park and subway ventilation systems. The range offers multiple blade-hub combinations and adjustable blade angles to match site performance requirements. Units include an external service door for maintenance access and 50 mm rock wool in the casing for acoustic and thermal insulation.
Features- F300 certified axial smoke exhaust fan (harmonized with EN12101-3)
- Available diameters: Ø 400 mm to Ø 1,400 mm
- Hot-dip galvanized sheet metal double-skinned casing with 50 mm rock wool insulation
- Cast aluminum impellers with adjustable blade angle
- Aerodynamically profiled blades for high efficiency and low noise
- Die-cast aluminum alloy hubs
- Capacity tuning via multiple blade-hub combinations and adjustable blade angles
- IP67 terminal box positioned outside the outer casing
- Electric motors with IP55 protection and Class H insulation
- Electrical supply: 400 V, 3-phase, 50 Hz
- Fire resistance: continuous operation at 300°C for 2 hours
Accessories- NRDO circular back-draft damper for axial fans
- ACD inspection hatch
- Frequency inverters
Technical specifications- Certification: F300 (harmonized with EN12101-3)
- Diameters: Ø 400 mm to Ø 1,400 mm
- Casing: hot-dip galvanized steel; double-skinned with 50 mm rock wool (acoustic and thermal insulation)
- Impellers: cast aluminum, adjustable blade angle; aerodynamic profile for high efficiency and low noise
- Hubs: die-cast aluminum alloy
- Capacity control: selectable blade-hub combinations and adjustable blade angles
- Terminal box: IP67 (mounted outside outer casing)
- Motor: IP55, Class H insulation
- Electrical supply: 400 V, 3-phase, 50 Hz
- Fire resistance: continuous operation at 300°C for 2 hours