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Dry Scroll Pumps

The great shape of high performance dry vacuum pumping

Edwards nXDS20i Scroll Pump

Edwards mXDS, nXDS, and the XDS range of dry scroll pumps

Edwards dry scroll pumps offer proven dry, clean vacuum solutions for a wide range of applications.

Scroll pumps are an excellent alternative to rotary vane pumps where oil free pumping is desirable.

mXDS dry scroll pumps

mXDS is a small dry alternative to oil sealed rotary vane pumps and diaphragm pumps of a similar capacity delivering 3 m3h-1 peak speed and 0.1 mbar ultimate.

The mXDS is compact and lightweight, weighing in at just under 8kg with a purpose made carry handle making them highly portable.

For system builders the pump can typically be mounted horizontally or vertically and for convenient connection the inlet can be orientated vertically or horizontally with a push fit alternative available as an accessory.

  • Filling the performance gap in the Edwards small dry pump portfolio.

These compact scroll pumps have a gas ballast facility incorporated in the design as standard for water vapour handling and an exhaust valve just like the larger nXDS.

With a typically lower power requirement compared to similar capacity pumps, which makes them great for energy savings and an ideal choice for helping to reduce your carbon footprint.

The optimised fan cooling is beneficial in reducing noise for quieter operation leading to a pleasant working environment, and being clean oil free pumps with no oil to top up, replace or dispose of are an environmentally friendly option.

mXDS3 are offered as standard or configured with a solenoid inlet isolation valve for enhanced system protection and supplied with exhaust silencer/filter accessory to become the mXDS3s.

Edwards mXDS3 dry scroll pump
Edwards Presents mXDS3s
Edwards Presents mXDS3s thumbnail
Edwards Presents mXDS3s
mXDS3 - Flexibility thumbnail
mXDS3 - Flexibility
mXDS3 - Environment thumbnail
mXDS3 - Environment
mXDS3 - Performance Gap thumbnail
mXDS3 - Performance Gap

Experience the advantages that come with the mXDS

  • Flexibility: Compact and lightweight, mountable horizontally or vertically with an inlet that can be orientated vertically or horizontally
  • Performance: 3 m3h-1 pumping speed with 0.1 mbar ultimate vacuum, gas ballast facility along with an exhaust valve for system protection
  • Environment: Clean oil free with no oil to top up, replace or dispose of with a lower power requirement to help reduce carbon footprint

nXDS dry scroll pumps

nXDS is a dry scroll pump offering pumping speeds of 6-20 m3h-1, combined with lower ultimate pressures, lower power consumption and lower noise levels than other pumps.

nXDS pumps are designed to be completely field serviceable.

Its intelligent control functions and up to five years service interval ensures low cost of ownership, making it the small dry pump of choice for today's most advanced technologies.

The onboard pump controller allows for:

  • Wide range voltage input with automatic selection.
  • Easy to use manual control buttons including a standby speed control button for efficient process tuning.
  • ... and for more convenient operation a remote control interface.
Edwards nXDS15i dry scroll pump
Edwards Presents nXDS Scroll Pumps
Edwards Presents nXDS Scroll Pumps
Edwards Presents nXDS Scroll Pumps
nXDS Rotation Animation thumbnail
nXDS Rotation Animation
nXDS Scroll Pump Tip Seal Change Video thumbnail
nXDS Scroll Pump Tip Seal Change

Why select the nXDS?

  • Quiet while in use: with low noise power level of 52 dB(A) the nXDS makes for a better work environment and low environmental impact.
  • Simple to operate: with intelligent and easy to use controls.
  • No contamination and no oil to dispose of: the pumps are hermetically sealed for a lubricant and contamination-free vacuum.
  • Low cost of ownership due to the combination of long service interval and low power consumption.
  • Quicker process thanks to superior vapour handling, making the nXDS suitable to an even wider range of applications!

XDS dry scroll pumps

Have become industry standard when dry pumping is essential, proving to be a robust and clean vacuum pump solution in a range of applications with pumping speeds up to 40 m3h-1.

  • Take another step!
A combination of the patented double start scroll form technology and by-pass valves have enabled Edwards to offer the XDS35i Enhanced range of pumps to complement our original family.
XDS35i incorporates smart drive technology to look after the pump and provide worldwide performance.
With reduced peak power requirements at roughing pressures and continuous higher roughing speeds, these enhanced pumps enable the user to address the performance envelope to help with those special applications where roughing performance or the ability to evacuate a large chamber volume is important.
The enhanced versions offer up to 20% lower peak power requirements during initial pump down: meaning it has the ability to pump down large volume chambers with no loss of performance.
It has up to 25% more pumping speed at these roughing pressures, which helps on higher frequency cycling applications as well.
Edwards XDS35i dry scroll pump
Edwards Presents XDS35i Enhanced Large Scroll Pumps presented by David Goodwin
Edwards Presents XDS35i Enhanced Large Scroll Pumps presented by David Goodwin thumbnail
Edwards Presents XDS35i Enhanced Large Scroll Pumps presented by David Goodwin
Edwards XDS35i Scroll Vacuum Pump Tip-seal Change thumbnail
Edwards XDS35i Scroll Vacuum Pump Tip-seal Change
Edwards Vacuum Pump XDS5 and XDS10 Tip Seal Change thumbnail
Edwards Vacuum Pump XDS5 and XDS10 Tip Seal Change

The XDS benefits!

  • Bearing shield: ensures separation between process gases and bearing lubrication to ensure clean vacuum and no possibility of contamination to lubrication from process gases, which prolongs bearing life.
  • Smart motor drive: means consistent performance globally, pump overload protection and remote start/stop capability.
  • High flow gas ballast: allows pumping of vapours including water vapour at up to 240 gh-1.
  • Simple single sided scroll design: allows maintenance to be done in minutes for low cost of ownership and maximum up-time.


High energy physics
  • Beam lines 
  • Accelerators 
  • Mobile pump carts 
  • Turbopump backing 
  • Laser evacuation
Research and development
  • Chamber evacuation
  • Coating systems
  • Turbopump backing
Electron microscopy
  • TEM, SEM
  • Sample coaters
Sample preparation
  • Gel dryers
  • Glove boxes
  • Rotary evaporators
  • Centrifuges
  • Gel dryers
  • Glove boxes
  • Rotary evaporators
  • Centrifuges
  • Solvent recovery
  • Distillation/extraction/ filtration
Mass spectrometry
  • Surface science
  • Leak detectors and RGA
  • Gas recovery and recirculation
  • Glove boxes
  • Brake line and air conditioning evacuation
  • Coating systems
  • Freeze drying
  • Gas bottle filling/emptying
  • Refrigeration system manufacture
  • Degassing/curing (oil, epoxy resin)
mXDS3 and mXDS3s dry scroll pumps - Digital brochure
nXDS dry scroll pumps - Brochure


4 MB


4 MB

mXDS3 and mXDS3s Dry Scroll Pumps - Datasheet


487.6 kB

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