|DS 1220 B1 (DustEx)
As a market fruit production company, the Dr. Bernd Schwalenberg agricultural company in Nienburg/ Saale farms primarily grain, alongside potatoes and peas on its roughly 350 hectare farm. Some of the produce is sold direct to the public in the farm shop. However, storage facilities have been set up to house around 1000 tonnes of cereals so that their sale can be delayed until winter, when prices are higher.
The company was looking for the most flexible and powerful vacuum cleaner possible to keep its warehouse clean and to collect the dusts produced during loading and unloading.
Dr. Bernd Schwalenberg decided to purchase a Ruwac DS 1220 B1 type three-phase current vacuum cleaner. DS series vacuum cleaners are designed for industrial applications and 24-hour operation, and offer long service lives and good reliability even in tough conditions.
The powerful three-phase drive delivers high suction power. The machine is also compact and highly manoeuvrable, making it easy to keep even inaccessible areas clean.
There are often very large floor areas to be cleaned, so it made sense to buy an additional floor vacuuming device, which attaches to the vacuum connector. A round brush can be used to thoroughly clean smaller areas, such as the inside of tractor cabs.
The extra-large filter inserts in the DS 1220 reduce the filter change frequency, while the low filter surface area load extends the life of the filter pad. The waste container is easy to empty using the foot bar. The black colour of the GRP housing is a clear sign that the Schwalenberg family opted for the explosion-proof version of the DS 1220. Just like all other organic dusts, grain dust is flammable with the right dust/air mixture. The B1 version of the vacuum cleaner was designed for this purpose. This means it is able to vacuum flammable dusts in DustEx zone 22 in accordance with ATEX guidelines.
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