Edwards XDS35iC 25cfm Chemical-Resistant Scroll Pump W/ Silencer



Edwards XDS35iC 25cfm Chemical-Resistant Scroll Pump W/ Silencer


Dry Scroll Pumps

Dry scroll vacuum pumps are positive displacement pumps that use two spiral-shaped scrolls, one fixed and one orbiting, to trap and compress gas molecules. They are oil-free, low maintenance pumps that are commonly used for clean vacuum applications. Since they do not rely on oil for sealing and lubrication, they eliminate the risk of oil contamination and leakage, making them an environmentally-friendly choice.

We in Edwards are driving scroll technologies to its best and we are committed to offer the most sustainable solution now and in the future.

XDSi Scroll Pumps

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 and processes.


The XDS35i family of scroll pumps offers proven dry, clean vacuum solutions for a wide range of applications, with smart drive technology to look after the pump and provide worldwide performance.

Now, a combination of the 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 - 100-120/200-230V 50/60Hz 1Ph

The XDS35i is our standard product variant which can be operated in a wide range of applications.

Features and Benefits

  • Bearing shield - ensures separation between process gases and bearing lubrication to ensure a 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 feature - 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.

  • Take another step - the Enhanced versions offer up to 20% lower peak power requirements during initial pump down which means it has the ability to pump down large volume chambers with no loss of performance and has up to 25% more pumping speed at these roughing pressures which helps on higher frequency cycling applications as well.




Power 100-120V or 200-230V switchable
Displacement / peak pumping speed (50/60Hz) 43 m3h-1 / 25 ft3min-1
35 m3h-1 / 21 ft3min-1
Ultimate vacuum (Total pressure)
Max continuous inlet pressure
1 x 10-2 mbar / 8 x 10-3Torr
35 mbar / 23 Torr
Max water vapour pumping rate - GB I / GBII 70 gh-1 / 240 gh-1
Max continuous outlet pressure 0.2 bar gauge / 2.9 psig
Max allowed inlet and GB pressure 0.5 bar gauge / 7 psig
Motor power / speed 0.52kW / 1750 rpm
Power connector IEC EN60320 C19
Weight 48 kg / 105 lb
Inlet flange / Exhaust flange NW40 / NW25
Noise and vibration 57 dB (A),  <4.5mms -1 (rms)
Leak tightness (static) <1 x 10-6 mbar ls-1
Operating temperature range 10 to 40 °C / 50 to 104 °F
Compliance CE, UL, CSA, ATEX

Edwards XDS35iC 25cfm Chemical-Resistant Scroll Pump W/ Silencer

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    Edwards XDS35iC 25cfm Chemical-Resistant Scroll Pump W/ Silencer

    Edwards XDS35iC 25cfm Chemical-Resistant Scroll Pump W/ Silencer

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