| dry & oil lubricated rotary vane pumps |
liquid ring pumps - vacuum & pressure |
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The eco-friendly dry running rotary vane pumps are used for vacuum, pressure and combined pressure and vacuum applications. The time-tested oil lubricated rotary vane machines are typically used for generating vacuum.
Dry capacities: 3.5 m³/hr to fine 140 m³/hr.
Oil flooded capacities: 4 m³/hr to 1 200 m³/hr . |
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Extreme conditions, which prevail in humid and wet processes, lead to lime scale or abrasion, and hence to a considerable reduction in the performance of the pump. Elmo Rietschle liquid ring pumps, however, meet these challenges. |
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| oil free side chanel pumps - vacuum & pressure |
oil free rotary lobe roots pumps - vacuum & pressure |
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Some technologies are so good that it is hard to improve them. Side channel blowers from Elmo Rietschle are such an example. They have proven their reliability in service for many decades, performing flawlessly day in and day out with virtually no down time. Noise levels have been lower than that of most other vacuum pumps and compressors. |
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These compact rotary lobe blowers belong to the group of dry running positive displacement pumps. This means that there is no need for oil or grease in the compression chamber. Only gear box and bearings, which are separated from the pumping chamber, are oil lubricated. Two non contacting triple lobed rotary lobe rotors rotate against each other in the compression room.
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| oil free claw pumps - vacuum & pressure |
oil free screw pumps - vacuum |
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The C-Series claw pumps and compressors generate contact-free vacuum or compressed air efficiently and economically. The gas is pre-compressed within the compressing chamber and is then discharged. This leads to an evident energy saving compared to rotary lobe blower designs without internal compression. |
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The S-VSA and S-VSB dry running, contact-free screw vacuum pumps are primarily used in the chemical and pharmaceutical industries for processing applications. A contamination with oil or other operating liquids is impossible. Several pump sizes are available with ATEX certification. |
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