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Edwards STP-XA4503C Turbo Vacuum Pump - REBUILT

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Manufacturer Part Number: PT670Z070
Edwards STP-XA4503C Turbo Vacuum Pump - REBUILT
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Edwards STP-XA4503C 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.

Model names ending in a C are corrosion-resistant, with nickel-coated rotors and stators and a nitrogen purge port. Ones with a prefix of H or A are high throughput pumps incorporating a hybrid pumping mechanism for higher gas flow. These are optimized for processes such as plasma etch. We also offer repair service.

Questions? Please call our toll free number at 866-332-0500 or send an email to our sales team!

Inlet flange size VF-300 / ISO-320F / VG-350
Backing port size KF-40
Pumping speed  
    N2 3,800 to 4,300 ls-1 (dependant on model)
    H2 2,500 ls-1
Compression ratio  
    N2 > 108
    H2 6 x 103
Ultimate pressure 10-7 Pa (10-9 Torr)
Max allowable backing pressure 266 Pa (2 Torr)
Max allowable gas flow N2
(Water cooled only)
2,800 sccm
  4.73 Pam3s-1
Maximum allowable gas flow Ar
(Water cooled only)
2,150 sccm
  3.63 Pam3s-1
Rated speed 24,000 rpm
Run up time to 90% rated speed 12 minutes
Mounting position Any orientation
Water cooling  
    Flow 3 lmin-1
    Temperature 5 - 25°C (41 - 77°F)
    Pressure 0.3 MPa
Recommended purge gas flow N2 50 sccm / 8.4 x 10-2 Pam3s-1
Input voltage 200 - 240 ±10 % VAC
Maximum input power (without TMS)     1.5 KVA

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Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs. Please follow the above link, and fill out the quote form.

Edwards STP-XA4503C Turbomolecular Vacuum Pump - REBUILT

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