Edwards nXR90i Multistage Roots Pump

nXR90i Multistage Roots Pump-Nano Vacuum Australia and New Zealand

Edwards nXR90i Multistage Roots Pump

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Edwards has revolutionised the vacuum pump market with the new nXRi high performance, compact dry pump. It delivers unrivalled pumping speeds in the most compact package, with pumping speeds of 90 m3h-1. The nXRi's lower input power and zero maintenance create real performance improvements and cost benefits across a range of applications.

Analytical Instrument OEMs benefit from the ease of integration into most vacuum systems for a ready to go vacuum solution, perfect for mass spectrometry, electron microscopy and leak detection. R&D and Industrial customers will enjoy the design flexibility, oil-free and low maintenance features.



Peak pumping speed

90 m3h-1

Ultimate vacuum (total pressure) 0.02 mbar (0.015 Torr)
Inlet flange NW40

Outlet flange


Maximum permitted outlet pressure

0.2 bar gauge

Operating temperature range

+5 to +40°C (+41 to +104°F)

 Nominal rotational speed

15000 rpm

 Voltage input

100-127/200-240 V (+/-10%), switchable

 Mains frequency

50/60 Hz

Power connector 1-ph

IEC EN60320 C19

Power at ultimate

450 W

Leak tightness

< 1x10-6 mbar ls-1


29 kg (64 lb)

Noise at ultimate vacuum

55 dB(A)

Vibration at inlet flange

< 2.0 mm/s

Key Features & Benefits

  1. Designed with size in mind, the compact footprint and height allow the nXRi dry pump to fit easily under a benchtop saving valuable space in your laboratory; and at under 30kg offers a highly portable vacuum pump for changing work flows and environments.
  2. When performance matters look no further than the nXRi dry pump, with pumping speed performance of 90 m3h-1 from our most compact footprint. It delivers four times more pumping speed than similar sized dry pumps, and with low ultimate and high reliability you are assured a consistent and stable vacuum for years to come.
  3. For reduced power consumption look no further than the Edwards nXRi dry pump, optimised to low power for lower energy costs and reduced heat load from your vacuum equipment.
  4. Clean processes and clean results are guaranteed with the nXRi compact dry pump, being totally oil-free and dust-free within the vacuum chamber. Being free of oil, smells and particulates guarantees a more pleasant working environment.

Download nXR Multistage Roots Pump Series brochure here

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