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A liquid-ring pump is a rotating positive-displacement gas pump, with liquid under centrifugal force acting as a seal.
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liquid liquid-ring vacuum pump gas pumps used water vapor ring-liquid systems typically casing pressure impeller ring use sealant applications vanes
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Liquid-ring pump | is a | rotating positive-displacement gas pump | 0.90 | text |
| distillation or a vacuum dryer is generating toluene vapors | instance of | if a process | 0.80 | text |
| then it is possible to use liquid toluene as the sealant | instance of | if a process | 0.80 | text |
| provided the cooling water is cold enough to keep the vapor pressure of the sealant liquid low enough to pull the desired vacuum.Ionic liquids in liquid-ring vacuum pumps can lower the vacuum pressure from about 70 mbar to below 1 mbar | instance of | if a process | 0.80 | text |
| Liquid-ring pump | related to Description of operation | Liquid-ring | 0.60 | section |
| Liquid-ring pump | related to Description of operation | The | 0.60 | section |
| Liquid-ring pump | related to Description of operation | They | 0.60 | section |
| Liquid-ring pump | related to Description of operation | Sliding | 0.60 | section |
| Liquid-ring pump | related to Description of operation | Liquid | 0.60 | section |
| Liquid-ring pump | related to Description of operation | This | 0.60 | section |
| Liquid-ring pump | related to history | The | 0.60 | section |
| Liquid-ring pump | related to history | Germany | 0.60 | section |
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