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Condition:
  New
Part Number:
  P107487
Warranty:
  Edwards Warranty

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Regular Price: $16,881.30

On Sale: $13,505.04


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Edwards STP-451 C 3 Axis Magnetic Bearing Ultra High Turbomolecular Pump, DN160CF CF 8 in, B74861010


Edwards STP-451C (Chemical Resistant) 3 Axis Magnetic Bearing Ultra High Turbomolecular Pump, 480 l/s Pumping Speed, DN160CF, Conflat CF 8 in.
Pump Only NO Accessories. Edwards Part Number B74861010

This listing is for the new Edwards STP-451C (Chemical Resistant) 3 Axis Magnetic Bearing Ultra High Turbomolecular Pump. To be used with the Edwards SCU-350 Control Unit, pumping speed of 480 liters per second (l/s) of nitrogen, DN160CF, CF 8 in. inlet flange, ISO KF-25 exhaust foreline flange, and KF-10 purge port with the corrosion model. A basic pump system would require a Edwards STP-451 pump, a SCU-350 controller, a water cooling accessory and a suitable backing roughing pump. The Edwards STP-451 turbomolecular pump offers field proven reliability for use in electron miscroscopes, scientific instruments and semiconductor applications.

The STP-451C is a series of magnetically-levitated turbomolecular pumps. The STP pump is configured so that rotor blade and the stator blade are aligned alternately in the axial direction. Gas molecules are pumped from the inlet port to the outlet port by the high speed rotation of the rotor. The Rotor blade is supported by the magnetic bearing without mechanical contact. Therefore the STP pump requires no lubrication oil unlike conventional turbomolecular pumps using ball bearings. The magnetic bearing consists of 3 pairs of active magnetic bearings. The rotor is supported in the radial direction by 2 pairs of radial direction active magnetic bearings that consist of radial sensor and radial electromagnet. A pair of axial direction active magnetic bearings consists of axial sensor and axial electromagnet to support the rotor in the axial direction. Because the rotor is thus supported without mechanical contact, it can rotate with very low vibration.

There is less heat generated from magnetic bearings because there is no friction. Therefore the STP pump requires no cooling. However, the STP pump requires water cooling or air cooling during baking, gas pumping or any process. Taking into consideration a breakage of magnetic bearings, touch down bearings and coated with solid lubrication have been installed. They do not contact the rotor during the rated operation. A radial sensor, an axial sensor, a rotational speed sensor and a temperature sensor always monitor the magnetic bearing as well as the rotor. If an abnormality/error occurs, the rotor will stop.

To ensure a high level of resistance to corrosion, the corrosion resistant models STP (C) have nickel coated rotors/stators and pump inter­nals suitable for ion implantation and plasma etching. These corrosion resistant pumps have a KF10 nitrogen purge facility, a constant flow of nitrogen through the pump dilutes corrosive gases minimizing their damage to the pumps motor and sensor coils. All accessories for this pump are available on this website or call 505-872-0037 for details. For complete specs, see graphic below or download the STP manual.pdf in AVAILABLE DOWNLOADS below.




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ITEM DESCRIPTION PART NO.
SCU-350 Controller, Works with STP Pumps: 301, 451, L301, L451 Series YT21Z0Z01
Connection Cable 3 meters PS CS B70700010
Connection Cable 5 Meters PS CS B70700000
Connection Cable 10 Meters PS CS B70700130
Type B Power Cable 3 Meters Ring Terminal B70700090
Type B Power Cable 5 meters Ring Terminal Angle B70700040
Type B Power Cable 10 meters Ring Terminal PT21Y0A00
STP Vibration Isolator ISO-100 B58046000
STP Vibration Isolator ISO-160 B58049000
P021 Damper ICF152 B74834010
P001 Damper ICF203 B70652040
P021 Cooling Fan 100 VAC w/1 Meter Cable (P021/P039) YT01BA500
P021 Cooling Fan 115 VAC w/1 Meter Cable YT011A003
P021 Cooling Fan 200 VAC w/1 Meter Cable (P021/P039) YT011A000
Water Cooling Kit with 1/4 Copper Pipe YT21CA001
PDF Logo Edwards STP 451 Turbo Pump Users Manual.pdf

PDF Logo Edwards STP 451 Turbo Pump Datasheet.pdf



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5910 Midway Park Blvd NE,
Albuquerque, NM 87109-5805

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