Vacuum Pumps

Quick guide to vacuum pumps

For most chemical applications that operate in the rough vacuum range (down to 1 mbar), diaphragm pumps are a top pick.


Why? Because they're oil-free, eco-friendly, and they don't produce waste water or waste oil.


For applications demanding an even lower pressure in the fine vacuum range (down to o 10^-3 mbar), like freeze drying or Schlenk lines, you need rotary vane pumps .


Rotary vane delivers an ultimate vacuum of 2 x 10^-3 mbar. However, they do require oil for lubrication and sealing, which can sometimes interfere with sensitive processes. Plus, regular oil changes are a must.


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Worried about corrosion? Then you need the Chemistry-HYBRID pump , which combines a rotary vane pump and a chemically-resistant diaphragm. This ensures the oil chamber is constantly cleared of corrosive vapors and condensates during operation.


But, if you're handling extremely aggressive or corrosive gases and vapors, the PTFE-coated diaphragm pump is your best friend. This oil-free, chemically resistant vacuum pump is perfect for a wide range of lab applications, featuring PTFE heads, PTFE-coated diaphragms, and FFPM valves.

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