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Roots Pump is the ideal solution for the area of low and medium vacuum and applications requiring rapid evacuation of the vacuum system. This kind of a pump operates on a purely volumetric principle and has no internal compression compared to a rotary oil pump. Compresses against output pressure. The Roots pump is a dry pump because the pumped medium is not in contact with the oil during transport. Roots pumps are characterized by their compact construction and high pumping speed. We include them into pumping system together with a suitably sized primary pump.
https://www.pfeiffer-vacuum.com/en/products/vacuum-generation/roots-pumps/
For applications in explosive environment or for pumping explosive gasses only the OctaLine ATEX vacuum pumps are solely designed. More information here.
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