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Dry multistage roots vacuum pumps
The ECODRY plus is a family of dry-compressing multi-stage roots vacuum pumps, which sets new standards in noise reduction. The pumps have been specially designed for use in quiet and clean environments, such as analysis and research laboratories.
ECODRY plus small dry pumps provide clean vacuum at maximum pumping speeds of 25 to 55 m³/h while maintaining low noise levels. They deliver stable vacuum performance for many years without maintenance.
These vacuum pumps are based on the multi-stage roots pumping principle with two rotors turning in opposite directions in a single pump housing. The rotors do not get into contact with one another, or with the pump housing making them both quiet and clean pumps.
Through their rotation, they convey the gas from the intake flange on the upper side to the outlet aperture on the bottom of the pumping chamber. Several pumping stages are arranged in series to achieve a high compression ratio.
The pump’s operating range extends from the medium vacuum range to ambient pressure. Short channels between the compression stages, combined with a very high rotational speed, enable a compact package with high pumping performance. The pumping chamber is oil-free allowing clean vacuum generation.