Edwards EXT-250 Turbomolecular Vacuum Pump

Edwards EXT-250 Turbomolecular Vacuum Pump

August 27, 2014

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by Jon Cattivera

Edwards EXT-250 Turbomolecular Vacuum Pump Price for turbo vacuum pump Edwards EXT-250 http://provac.com/products.php?pid=41&keywords=Edwards  

Edwards EXT 255H EXT 250

Inlet Flange ISO 100K  

Exhaust Flange KF-25

Vent Port 1/8” BSP

Purge Port 1/8” BSP

 

Pumping Speed

Nitrogen 220 Liters/Second

Helium 230 Liters/Second

Hydrogen 180 Liters/Second

 

Compression Ratio

Nitrogen >1x108

Helium 2x104

Hydrogen 1500  

 

Recommended Backing Pump Edwards RV-3  

Cooling Method Forced air or water  

 

Edwards EXT-250 turbomolecular vacuum pump price http://provac.com/products.php?pid=41&keywords=Edwards

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