STP451 turbomolecular pump offers field proven reliability for use in electron microscopes, scientific instruments and semiconductor applications. Edwards rotor technology gives class-leading performance for maximum process flexibility. The STP451 has been approved for use by major equipment manufacturers in the scientific instrument, semiconductor and magnetic media industries.
Technical data | |
Inlet flange | ISO160 or DN160CF |
Pumping speed | |
N2 | 440 ls-1 |
H2 | 275 ls-1 |
Compression ratio | |
N2 | >108 |
H2 | >2 x 104 |
Ultimate pressure ISO inlet flange | 6,5 x 10-6 Pa |
Ultimate pressure CF inlet flange | 10-8 Pa |
Maximum allowable inlet pressure | |
Ambient cooled | 0,066 Pa (5 x 10-4 Torr) |
Maximum continuous outlet pressure | |
Ambient cooled | 13 Pa (0,1 Torr) |
Rated speed | 48000 rpm |
Stop/Start time | 3/5 min |
Maximum inlet flange temperature | 120°C |
Input voltage | 100 to 120 V a.c. (± 10) or 200 to V a.c. (±10) |
Power consumption Start up / Continuous | 350 / 100 VA |
Weight | |
Pump | 12 kg |
Controller | 7 kg |