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  8. CombiLine WU 1801 with BA 251 single-stage rotary vane pump and Okta 2000 roots pump

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PPS22504
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CombiLine WU 1801 with BA 251 single-stage rotary vane pump and Okta 2000 roots pump
Order number: PPS22504

  • Okta 2000 roots pump, standard version, operating fluid P3
  • BA 251 rotary vane pump, standard version incl. OME M oil mist filter + ODK (with oil return unit), operating fluid P3
  • Components built on a common base frame and internally connected by pipes
  • All motors according to efficiency class IE3
  • Various accessories are available for all current pumping stations
Backing pump BA 251
Connection flange (in) DN 160 ISO-F
Connection flange (out) DN 63 ISO-K
Final pressure 2 · 10-3 hPa | 1.5 · 10-3 Torr | 2 · 10-3 mbar
Final pressure without gas ballast 2 · 10-3 hPa | 1.5 · 10-3 Torr | 2 · 10-3 mbar
Mains connection: power consumption 16.5 kW
Mains voltage, 3-phase 400 V, 50 Hz, ±10 %
Motor type 3-ph motor
Power consumption max. 16.5 kW
Pumping speed at 1 hPa, 50 Hz 1,700 m³/h | 1,000.62 cfm | 28,333.33 l/min
Pumping speed at 1 hPa, 60 Hz 1,950 m³/h | 1,147.77 cfm | 32,500 l/min
Roots pump Okta 2000
Sound pressure level 75 dB(A)
Sound pressure level at 1 hPa ≤ 75 dB(A)
Typical final pressure with gas ballast 1 · 10-2 hPa | 7.5 · 10-3 Torr | 1 · 10-2 mbar

Characteristic-TIM-RS-1

File Type Language Date Filesize
Data sheet PDF EN 01-28-2023 ~ 433.4 KB
File Type Language Date Filesize
Operating instructions UnoLine Plus BA 251 / BA 501 (PK0156BEN_L) PDF EN 09-09-2016 ~ 3.6 MB
Operating instructions Okta 2000/Okta 2000 M (PP1011BEN_L) PDF EN 05-25-2016 ~ 2.3 MB
Operating instructions CombiLine Pumping Stations WU/WD/WH (PW0200BEN_J) PDF EN 06-28-2017 ~ 1.9 MB
Your local contact
Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

T  +1 (800) 248-8254
F  +1 (888) 658-7983
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