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Price Match: Some Exclusions May Apply

Edwards nXDS20iC 16.5 cfm Chemical-Resistant Dry Scroll Pump

MFR: Edwards

SKU: A73802983

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Description - Click to Expand

Edwards nXDS20iC 16.5 cfm Chemical-Resistant Dry Scroll Pump


These vacuum scroll pumps are an ideal alternative where oil free pumping is required. The operation of the oil free pumps to eliminate the cost and downtime associated with oil changes and oil disposal. The nXDS series pumps feature a bearing shield to isolate the vacuum environment from all forms of lubricant not only making them completly dry, but also protecting the bearing from any process gases. nXDS improves on legacy XDS pumps by offering increased pumping speeds, combined with lower ultimate pressures, lower power consumption and lower noise.


Features and Benefits

  • Chemical and corrosion resistant with Chemraz® internal valves and stainless steel fittings for extra protection from the pumped media
  • Lubricant-free within the vacuum envelope and hermetically sealed means totally clean and dry vacuum to prevent cross contamination
  • No atmosphere to vacuum shaft seals means bearings are completely isolated, which prevents process attack and means the bearings run cooler and last longer
  • Simple single sided scroll arrangement combined with an innovative motor and bearing design allows for easy field service with a minimum of special tooling for low cost of ownership and maximum up-time
  • Improved motor and drive efficiencies for reduced power and cost of ownership
  • Advanced interface provides a variety of traditional, analogue and digital control methods enabling remote control/monitoring via USB, RS232 or RS485
  • One year warranty, as well as technical support.



  • General clean pumping applications
  • Scanning Electron Microscopes - SEM
  • Beam lines and high energy physics
  • Backing turbo pumps
  • Centrifuges, ultra-high speed
  • Coating
  • Cryogenics
  • Degassing/curing - oil, epoxy resin
  • Distillation/extraction/filtration
  • Freeze drying
  • Furnaces
  • Gel drying
  • Laboratory bench top vacuum
  • Lasers, gas recovery and recirculation
  • Leak detectors, Helium
  • Load locks and transfer chambers
  • Rare gas recirculation
  • Rare gas recovery
  • Refrigeration manufacture
  • Research and development
  • Rotary, centrifugal evaporators
  • SEM/FIB (ion beam repair)
  • Solvent recovery
  • Surface science instruments


Specifications and Description
Wetted Parts Perfluroelastomer, Stainless Steel, Aluminum, and Anodized Aluminum
Free Air Capacity (CFM) 16.5
Free Air Capacity (LPM) 467.23
Max Vacuum (torr) 0.022
Max Rotation Speed (rpm) 1200
Inlet Port NW25
Outlet Port NW25
Noise Level 52
Min Operating Temperature (° F) 41
Max Operating Temperature (° F) 104
Power (VAC) 100 to 120 / 200 to 240
Power (Hz) 50/60
Height (in) 11.9
Width (in) 11.1
Length (in) 17
Description nXDS20iC Dry Scroll Vacuum Pump, Chemical Resistant; 16.5 CFM
Power requirements 100-127V~10A or 200-240V~6A, 50/60 Hz, 260 watts