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> Leybold RUVAC WA / WAU 251 Vacuum Blower - NEW
Leybold RUVAC WA / WAU 251 Vacuum Blower - NEW
Manufacturer Part Number: 11720, 11721
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Leybold RUVAC WA / WAU 251 - NEW
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
Questions? Please call our toll free number at 866-332-0500 or send an email to our sales team!
| 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 | |
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.
Leybold RUVAC WA / WAU 251 Roots Vacuum Blower - NEW Part no. 11720 / 117 20 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 / 117 21 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 / 117 24 Pumping speed: 253 m3/h Ultimate pressure: < 8 x 10-4 mbar w/out motor Operating fluid: LEYBONOL LVO 100 Replaced Part #: 91720-1
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