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VEVOR Fluid Extractor, 1.74 Gallons (6.5 Liters), Manual Hand-Operated Oil Changer Vacuum Fluid Extractor with Dipstick and Hose, Oil Extractor Change Pump for Automotive Fluids Vacuum Evacuation

Drive Type: Manual Capacity: 6.5L

Questions and Answers

4 Questions

Does it keep the vaccuum unassisted for a period? I want to use it to evaporate liquids in low temperature and low pressure.

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This fluid extractor is designed for manual automotive fluid extraction, not for scientific laboratory applications such as sustained low-pressure evaporation. While it can create a temporary vacuum to draw out oil, the vacuum seal is not intended to be held indefinitely and will gradually dissipate over time.

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Does it keep the vaccuum? I want to keep a gentle vaccuum in a desiccator and use it to evaporate water and alcohol at low pressure and low temperature. An ordinary vaccuumpump is not gentle and does not like alcohol vapor.

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Yes, this product can keep the vacuum.

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Does the extractor have a security that automatically stops extraction as soon as capacity is reached.

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Yes, the extractor has a safety feature.

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Do I need to pump permanently to extract oil or do I create vaccum in pumping like 15 times ?

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It is recommended that the product can be directly extracted from the oil.

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