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Leybold RUVAC WA / WAU 251 Vacuum Blower - NEW

Manufacturer Part Number: 11720, 11721
Price: $10,000.00
Quantity:
Leybold RUVAC WA / WAU 251 Vacuum Blower - NEW
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Leybold RUVAC WA / WAU 251 Roots Vacuum Blower - NEW

  • Connection flange: DN 63 PN6
  • Max. permissible pressure difference: 80 mbar
  • Nom. pumping speed (50 Hz): 253 m3 · h-1
  • Rotational speed (50/60 Hz): 3,000 / 3,600 min-1
  • Motor power: ≤ 1.1 kW

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Inlet connection DN 63 ISO-K
Outlet connection DN 63 ISO-K
Nom. Pumping speed at 50 Hz 253 m3/h / 149 cfm
Nom. Pumping speed at 60 Hz 304 m3/h / 179 cfm
Ultimate partial pressure < 2.0 x 10-5 / < 1.5 x 10-5 Torr
Ultimate total pressure < 8.0 x 10-4 mbar / < 6.0 x 10-4 Torr
Cut in pressure at 50 Hz 90.0 mbar / 67.5 Torr
Cut in pressure at 60 Hz 60.0 mbar / 45.0 Torr
Max. permissible pressure differnce     80.0 mbar / 60.0 Torr
Leak rate ≤ 5.0 x 10-4 mbar l/s
Operating fluid Leybonol LVO 100
Noise level to DIN 45 635 < 64 dB(A)
Mains connection 3-phase, 220-240/380-400 V, 50 Hz 3-phase, 200-240/380-480 V, 60 Hz
Motor rating 1.1 kW / 1.5 HP
Nominal rotation speed at 50 Hz 3,000 min-1 / 3,000 rpm
Nominal rotation speed at 60 Hz 3,600 min-1 / 3,600 rpm
Max. permissable rotation speed     3,600 min-1 / 3,600 rpm
Motor protection rating IP 55
Admissible ambient temperature +12 to +40°C / +54 to +104°F
Weight 89 kg / 196 lbs

Specs 

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Leybold RUVAC WA / WAU 251 Roots Vacuum Blower - NEW

Part no. 11720
Pumping speed: 253 m3/h
Ultimate pressure: < 8 x 10-4 mbar
Three-phase motor: 220-240/380-420V, 50Hz / 220-277/380-480V, 60Hz

Part no. 11721
Pumping speed: 253 m3/h
Ultimate pressure: < 8 x 10-4 mbar
3-phase motor: 220-240/380-420V, 50Hz / 250-277/400-480V, 60Hz

Part no. 11724
Pumping speed: 253 m3/h
Ultimate pressure: < 8 x 10-4 mbar
w/out motor

Operating fluid: LEYBONOL LVO 100

Replaced Part #: 91720-1