Edwards Vacuum nEXT85iD Vacuum Pump
Edwards Vacuum nEXT85iD Vacuum Pump - Image 2
Edwards Vacuum nEXT85iD Vacuum Pump - Image 3

Edwards Vacuum nEXT85iD Vacuum Pump

The nEXT85 turbomolecular pump builds upon the success of the EXT75DX to deliver a pump with significantly improved performance in a smaller package. The rotor has been totally re-designed to optimize pump performance and achieve both higher speeds and higher compression while maintaining high levels of reliability. In addition to enhanced performance nEXT85 benefits from the same service and operational functionalities from the larger nEXT range, including field serviceability and in-built intelligence, for a truly class leading product.

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Description

Technical Data

Inlet pumping speed ls-1

N2: 84 Ar: 80

He: 78

H2: 60/54 (D/H)

Compression ratio (D)

N2/Ar : >1 x 1011

He: 8 x 106

H2: 2 x 105

Compression ratio (T/H)

N2/Ar: >1 x 1011

He: 2 x 107

H2: 5 x 105

Backing/interstage/boost ports: NW16

Vent/purge port: 1/8” BSPP

Critical backing pressure (D/H) mbar: 18

Critical backing pressure (T) mbar: NA

Bake out water cooled/forced air cooled max. °C: 120/115°

Recommended backing pump*: nXDS6i

Normal rotational speed (rpm): 90,000

Start time to 90% speed (sec)

D/H (T): 90 Mass (kg) D/H (T)

ISO: 3.0

CF: 4.4

Terms and Conditions:

  • We deliver worldwide.
  • Please note that shipping costs may be different due to the increase in fuel.
  • +VAT (if applicable)

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