nEXT has been designed to combine all the latest technological advances in turbomolecular pumps offering pump sizes of 55, 85, 240, 300, 400, 730, 925 and 1250 l/s pumping speeds for Nitrogen these pumps provide end-user serviceability and deliver a truly class leading product.
| E2S45 | E2S65 | E2S85 | ||
|---|---|---|---|---|
| Max. displacement (50Hz) | m3h-1 | 47 | 64 | 87 |
| cfm | 28 | 38 | 51 | |
| Max. displacement (60Hz) | m3h-1 | 56 | 77 | 105 |
| cfm | 33 | 45 | 62 | |
| Pumping seed (50Hz) | m3h-1 | 42 | 57 | 78 |
| cfm | 25 | 34 | 46 | |
| Pumping seed (60Hz) | m3h-1 | 50 | 69 | 94 |
| cfm | 29 | 41 | 55 | |
| Ultimate total pressure without gas ballast | mbar | 3.0E-03 | 3.0E-03 | 3.0E-03 |
| torr | 2.25E-03 | 2.25E-03 | 2.25E-03 | |
| Ultimate vacuum with gas ballast (position 1) | mbar | 6.0E-03 | 6.0E-03 | 6.0E-03 |
| torr | 4.5E-03 | 4.5E-03 | 4.5E-03 | |
| Inlet connection | ISO-F / NW | 40 | 40 | 40 |
| Outlet connection | mm | 25 | 25 | 25 |
| Max. permitted outlet pressure | bar (g) | 0.5 | 0.5 | 0.5 |
| psi (g) | 7.3 | 7.3 | 7.3 | |
| Max. water vapour tolerance | mbar | 20 | 15 | 13 |
| torr | 15 | 11 | 10 | |
| Max. water vapour capacity (50Hz) | kgh-1 | 0.62 | 0.66 | 0.73 |
| lbh-1 | 1.4 | 1.5 | 1.6 | |
| Max. water vapour capacity (60Hz) | kgh-1 | 0.74 | 0.8 | 0.87 |
| lbh-1 | 1.6 | 1.8 | 1.9 | |
| Weight Approximate | Kg | 80 | 90 | 100 |
| Motor protection rating | IP | 55 | 55 | 55 |
| Motor rated power (50Hz) | kW | 1.1 | 1.5 | 2.2 |
| Hp | 1.5 | 2 | 3 | |
| Motor rated power (60Hz) | kW | 1.3 | 1.8 | 2.6 |
| Hp | 1.7 | 2.4 | 3.5 | |
| Noise level (50Hz) | dB(A) | 58 | 60 | 60 |
| Noise level (60Hz) | dB(A) | 60 | 62 | 62 |
| Oil refill capacity (Max.) | litre | 4.3 | 4.8 | 5.5 |
| gal | 1.1 | 1.3 | 1.5 | |
| Cooling type | cooling | Air | Air | Air |
| Recommended oil | Ultragrade Performance 70 | |||
