DWQA Questionsدسته بندی: پمپ های وکیومWhich type of vacuum pump is best?
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Which type of vacuum pump is best?
 
 

Scroll pumps handle water vapor better than most types of pumps and make significantly less noise during operation. Because the scrolls are made of metal, even on chemical- or corrosion-resistant models, only samples with acids below 20% are recommended