Edwards STP-301 - REBUILT
Edwards Seiko Seiki STP-301 Turbomolecular Vacuum Pump - REBUILT
An STP pump can be installed in any orientation and operate by remote control. If any rotor imbalance occurs (by deposition of process by-products, for example) sensors detect changes in its motion and compensate the magnetic fields accordingly. There are backup precision mechanical bearings to protect the pump in the event of a total disruption of magnetic suspension or a sudden massive air inrush that overcomes the magnetic bearing stiffness.
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|Inlet flange||VG-100 / ISO-100 / ICF-152|
|H2||> 2 x 104|
|Ultimate pressure with bake out heating (VG / ISO flange)||6.5 x 10-6 Pa (5 x 108 Torr)|
|Ultimate pressure with bake out heating (ICF flange)||10-8 Pa (10-10 Torr)|
|Maximum allowable inlet pressure (ambient cooled)||0.066 Pa (5 x 10-4 Torr)|
|Max continuous outlet pressure (ambient cooled)||13 Pa (0.1 Torr)|
|Rated speed||48,000 rpm|
|Starting time||3 min|
|Maximum inlet flange temperature||120°C|
|Input voltage||100 to 120 (± 10%) VAC or|
|200 to 240 (± 10%) VAC|
|Power consumption at start up||0.55 kVA|
|Pump weight||11 kg|
|Controller weight||8 kg|
BOC Edwards STP-301/451 Series Instruction Manual
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Edwards Seiko Seiki STP-301 Turbomolecular Vacuum Pump - REBUILT P/N B748-30-020 / B74830020 STP-301 ISO-100 P/N B748-31-010 / B74831010 STP-301 DN 100 CF