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Edwards EXT555HFE Turbo Vacuum Pump - REBUILT

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Manufacturer Part Number: B77701000
Edwards EXT555HFE Turbo Vacuum Pump - REBUILT
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Edwards EXT555HFE Turbomolecular Vacuum Pump - REBUILT

Our range of EXT turbomolecular and compound molecular pumps and EXC Controllers uses state-of-the-art technology to provide reliable, hydrocarbon-free, high and ultra high vacuum.

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

Main inlet flange DN 160 ISO-K / DN 160 CF
Outlet flange DN 25 NW
Interstage port (Hi variants) DN 25 NW
Vent port 1/8 inch BSP
Purge port 1/8 inch BSP
Inlet pumping speed*
    N2 540 ls-1
    He 580 ls-1
    H2 500 ls-1
    Ar 510 ls-1
Interstage pumping speed (Hi variants)
    N2 8 ls-1
    He 6 ls-1
    H2 8 ls-1
Compression ratio
    N2 > 1010
    He 108
    H2 106
    Ar > 1010
Ultimate pressure (CF variant) < 1010 mbar
Recommended backing pump RV12
Maximum continuous inlet pressure (N2, He, H2)**
    forced air cooled, 30°C ambient 1 x 10-3 mbar
    forced air cooled, 35°C ambient 5 x 10-4 mbar
   water cooling at 15°C 2 x 10-3 mbar
Nominal rotational speed 50,000 rpm
Start time to 90% speed
    EXC250 5 min
    EXC300 6.5 min
    EXDC160 8 min
Cooling method forced air /  water
Ambient air temperature for forced air cooling 0 - 35°C
Recommended cooling water flow rate (water at 15°C)     15 lh-1
Water temperature 10 - 20°C
Maximum inlet flange temperature 80°C
Noise level at 1m < 60 dBA
Maximum magnetic field (standard envelopes)
Axial < 7 mT
Radial < 3 mT
Maximum magnetic field (martensitic envelopes)
Axial < 50 mT
Radial < 50 mT
Recommended controllers EXC250, EXC300
Quiescent power consumption 35 W

 

* Measured without inlet screen. Inlet screens are supplied fitted and reduce speed by up to 20%

** With backing pressure < 0.3 mbar. Above this inlet pressure rotational speed drops.

Request for Quote

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 EXT555HFE Turbomolecular Vacuum Pump - REBUILT

B77701000 B777-01-000  EXT555H  DN 160 ISO-K
B77702000 B777-02-000  EXT555H  DN 160 CF
B77705000 B777-05-000  EXT555Hi  DN 160 ISO-K
B77707000 B777-07-000  EXT555HF  DN 160 ISO-K   
B77708000 B777-08-000  EXT555HF  DN 160 CF 

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