nEXT Features:
- Patented bearing suspension system minimizes noise and vibration transmitted to the vacuum system.
- Advanced simulation tool derived rotor design to give better speed and compression performance.
- Multiple drag stages for higher compression ratios and greater backing pressure tolerance.
- Permanent magnet upper bearing for a hydrocarbon free vacuum, reduced vibration and minimum wear.
- Manual vent port with automatic valve accessories for rapid venting and quick cycle times
- Purge port for safe pumping operation of specialized gases.
- Automatic wide operating voltage range from 24V to 48V dc for versatility in system integration.
Applications:
- Mass spectrometry
- Electron microscopy
- Research and development
- High energy physics
- Industrial
Specifications Table
Pump Model | nEXT240D | nEXT300D | nEXT400D | nEXT730D | nEXT930D |
---|---|---|---|---|---|
Pumping Speeds |
N2: 240 L/s
He: 230 L/s H2: 165 L/s |
N2: 300 L/s
He: 340 L/s H2: 280 L/s |
N2: 400 L/s
He: 390 L/s H2: 325 L/s |
N2: 730 L/s
He: 820 L/s H2: 715 L/s Ar: 665 L/s |
N2: 925 L/s
He: 905 L/s H2: 735 L/s Ar: 865 L/s |
Ultimate Pressure |
ConFlat Flange
5.00 x 10-10 hPA 5.00 x 10-10 mbar 5.00 x 10-8 Pa 3.75 x 10-10 Torr
ISO-K Flange
8.00 x 10-8 hPA 8.00 x 10-8 mbar 8.00 x 10-6 Pa 6.00 x 10-8 Torr |
ConFlat Flange
5.00 x 10-10 hPA 5.00 x 10-10 mbar 5.00 x 10-8 Pa 3.75 x 10-10 Torr
ISO-K Flange
8.00 x 10-8 hPA 8.00 x 10-8 mbar 8.00 x 10-6 Pa 6.00 x 10-8 Torr |
ConFlat Flange
2.00 x 10-10 hPA 2.00 x 10-10 mbar 2.00 x 10-8 Pa 1.50 x 10-10 Torr
ISO-K Flange
1.00 x 10-8 hPA 1.00 x 10-8 mbar 1.00 x 10-6 Pa 7.50 x 10-9 Torr |
ConFlat Flange
3.00 x 10-10 hPA 3.00 x 10-10 mbar 3.00 x 10-8 Pa 2.25 x 10-10 Torr |
ConFlat Flange
3.00 x 10-10 hPA 3.00 x 10-10 mbar 3.00 x 10-8 Pa 2.25 x 10-10 Torr |
Cooling Method(s) |
Method Forced Air Water |
Method Forced Air Water |
Method Forced Air Water |
Method Forced Air Water |
Method Forced Air Water |
Foreline Flange | KF25 |
KF25 |
KF25 |
KF25 |
KF25 |
Inlet Flange | ISO100-K DN100CF (6.00" OD) |
ISO100-K DN100CF (6.00" OD) |
ISO160-K DN160CF (8.00" OD) |
ISO160-K DN160CF (8.00" OD) |
ISO200-K DN200CF (10.00" OD) |
Weight Lbs (kg) | 12.6 - 19.4 ( 5.70 - 8.80 ) | 12.6 - 18.7 ( 5.70 - 8.50 ) | 14.3 - 21.6 ( 6.50 - 9.80 ) | 32.2 - 43.2 ( 14.6 - 19.6 ) | 34.0 - 47.8 ( 15.4 - 21.7 ) |
Lubrication Type | Dry |
Dry |
Dry |
Dry |
Dry |
Technology Type | Turbo - Compound Drag Stage |
Turbo - Compound Drag Stage |
Turbo - Compound Drag Stage |
Turbo - Compound Drag Stage |
Turbo - Compound Drag Stage |
X CLOSE
* Natural convection (30-35°C Ambient). Other cooling methods differ.