nEXT Turbo Pumps

The nEXT pumps offer superior performance, reliability and end user serviceablity, setting the benchmark for scientific turbomolecular pumps.

Superior performance

Exceptional pumping speeds and compression ratios

Superior reliability

Built on decades of experience and based on our tried and trusted EXT and STP ranges

4-year maintenance

Up to 4 years between pump service

100% User-serviceable

Quick and low-cost oil lubrication cartridge and full bearing change

Hybrid Bearing Technology

Ceramic lower bearing and dry permanent magnet upper bearing

Edwards nEXT sizes

Peak pumping speed

N2

Ar

He

H2

Compression Ratio

N2

Ar

He

H2

Ultimate vacuum

l/s

l/s

l/s

l/s

l/s

l/s

l/s

l/s

mbar

nEXT85H

NW40

47

44

61

44

>1011

>1011

2x10⁷

5x10⁵

<5x10-10

nEXT85H

ISO63

84

80

78

54

>1011

>1011

2x10⁷

5x10⁵

<5x10-10

nEXT85H

CF63

84

80

78

54

>1011

>1011

2x10⁷

5x10⁵

<5x10-10

nEXT85H

ISO100

86

84

78

54

>1011

>1011

2x10⁷

5x10⁵

<5x10-10

nEXT240

Version D

240

230

230

166

>1011

>1011

3x10⁵

104

<5x10-10

nEXT240

Version T

240

230

230

165

>1011

>1011

106

105

<5x10-10

nEXT300

Version D

300

280

340

280

>1011

>1011

106

5x104

<5x10-10

nEXT300

Version T

300

280

340

280

>1011

>1011

3x106

10⁵

<5x10-10

nEXT400

Version D

400

380

390

325

>1011

>1011

108

5x10⁵

<5x10-10

nEXT400

Version T

400

380

390

325

>1011

>1011

>108

106

<5x10-10

nEXT turbomolecular pumps are hybrid bearing pumps with a compound drag stage and integrated controllers for pumping speeds from 47 to 400 l/s. They all feature a permanent magnetic upper bearing, which eliminates hydrocarbons at the top of the rotor and an oil lubricated lower bearing for reliable high speed operation.

The on-board controller interfaces directly with our TIC and TAG controllers to provide low cost system integration. The nEXT models also allow user serviceability by way of a user changeable bearing cartridge for low cost of ownership.

Product Features

MULTIPLE DRAG STAGES

for higher compression ratios and geater backing pressure tolerance

PERMANENT MAGNET UPPER BEARING

for a hydrocarbon free vacuum, reduced vibration and minimum wear

SENSORLESS DRIVE

for high efficiency and compactness with reduced stray magnetic fields

VENTING

Manual vent port with automatic valve accessories for rapid venting and quick cycle times

PATENTED BEARING SUSPENSION

system that minimises noise and vibration transmitted to the vacuum system

FLEXIBLE CONTROL

simple parallel operation, sophisticated serial control, wide operating voltage range from 24V to 48V d.c.

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