The impeller is directly driven, thus avoiding any transmission and maintenance. The special diffuser decreases the speed of the exhaust air to less than 1m/s, in compliance with European regulations EN 60335-2-69. Moreover, the diffuser provides an optimum noise level of 69 dB (A). The vacuum gauge monitors filtration efficiency. The vac is fitted with a external manual filter shaker, located on the side of the machine, easy to use and ergonomic. The greater filter surface is obtained by means of a polyester star filter, 1,95 m² as filtering surface, "L" class as standard.
The material is collected inside a 100 litre painted steel container provided with castors, easy to remove thanks to a handy release system.
The machine frame is made of heavy duty tubular and plate steel, painted with epoxy powders to ensure robustness and is provided with a tool basket and cable holder. The tangential inlet allows a better cyclonic effect in presence of fine dusts. For better protection of the filter chamber in presence of abrasive materials, a reinforcement shield is fitted as standard on all the models.
The manoeuvrability of the vacuum is granted by two fixed wheels (Ø 200 mm) - and by two swivel wheels - (Ø 150 mm) – provided with brakes and fitted with bearings.
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