Axial fan VAH series

Product overview
The VAH high-pressure axial fan is a high-performance axial fan designed for large-volume flow applications and static pressures up to 3 300 Pa. Available with belt or direct drive, the VAH series combines aerodynamic impeller geometry and robust construction for continuous industrial operation.

Advantages

• High volume flow capacity (110 000–450 000 m³/h depending on type)
• Optimised aerodynamic impeller with 12 twisted blades and NACA 16 laminar profiles
• High efficiency (up to 89%)
• Energy-efficient drive options: V-belt/flat belt or direct drive
• Stable characteristic curve with limit-power behaviour to prevent motor overload outside optimum operating point
• Low noise due to streamlined impeller and casing contour
• Durable, industrial-grade design for long service life
• Available for extreme conditions (high temperature, aggressive media)
• Explosion-proof versions in accordance with ATEX
• Customized solutions on request

Technical data (summary table)
Type | Max. Air Volume [m³/h] | Max stat. Pressure [Pa] | Impeller Diameter [mm] | Conveying Media Temperature [°C] | Pressure Range | Degree of Efficiency [%]
VAH 1250 | 110 000 | 3 000 | 1 250 | 80 | High pressure | 89
VAH 1400 | 130 000 | 3 000 | 1 400 | 80 | High pressure | 89
VAH 1600 | 170 000 | 3 000 | 1 600 | 80 | High pressure | 89
VAH 1800 | 230 000 | 3 000 | 1 800 | 80 | High pressure | 89
VAH 2000 | 260 000 | 3 000 | 2 000 | 80 | High pressure | 89
VAH 2240 | 320 000 | 3 000 | 2 240 | 80 | High pressure | 89
VAH 2500 | 450 000 | 3 000 | 2 500 | 80 | High pressure | 89

Additional technical features

• Quality class G 6.3 according to DIN ISO 1940
• Drive via V-belt/flat belt or direct drive
• Special corrosion protection options: sandblasting, hot-dip galvanising, rubber coating, stainless steel
• Hot gas version up to 200 °C
• Explosion-proof execution according to ATEX

Characteristics / technical specifications

• Series / type: VAH (high-pressure axial fans)
• Impeller: 12 twisted blades with NACA 16 laminar profiles, high-alloy cast aluminum
• Max. static pressure (product text): up to 3 300 Pa
• Max. static pressure (table entries): 3 000 Pa
• Max. air volume (range by type): 110 000 – 450 000 m³/h
• Impeller diameters available: 1 250 mm – 2 500 mm
• Conveying media temperature (standard): up to 80 °C (hot gas version available up to 200 °C)
• Efficiency: up to 89 %
• Drive options: belt drive (V-belt/flat belt) or direct drive
• Special versions: corrosion protection, hot gas, ATEX explosion-proof, customized solutions