Up to 97 m³/min and 16,000 Pa. Explosion-proof construction according to DIN EN 14986. Suitable for zones 1, 2 and 22. Wear-free, direct drive via offset frequency converter (FU/FC). Higher rotation up to 105 Hz (approx. 6,200 rpm). Pressure-proof encapsulated motor. Housing made of cast aluminium, impellers primarily bent backwards and made of aluminium, mostly corrosion-resistant.