| Pumping speed at 50 Hz | 250 m³/h | 147.15 cfm | 4,166.67 l/min |
| Protection category | IP55 |
| Ultimate pressure with gas ballast | 1 hPa | 0.75 Torr | 1 mbar |
| Ultimate pressure without gas ballast | 5 · 10-2 hPa | 3.75 · 10-2 Torr | 5 · 10-2 mbar |
| Flange (in) | DN 63 ISO-F |
| Flange (out) | DN 63 ISO-K |
| Rated power 50 Hz | 11 kW |
| Motor version | 3-ph motor |
| Motor protection | 3TF |
| Mains cable | No |
| Cooling water pressure | 2,000-10,000 hPa | 1,500-7,500 Torr | 2,000-10,000 mbar |
| Cooling method, standard | Water |
| Cooling water flow | 50 l/h |
| Ambient temperature | 12-40 °C | 53.6-104 °F | 285-313 K |
| Cooling water temperature | 10-30 °C | 50-86 °F | 283-303 K |
| Exhaust pressure, min. | Atmospheric pressure |
| Exhaust pressure, max. | 1,500 hPa | 1,125 Torr | 1,500 mbar |
| Emission sound pressure level without gas ballast at 50 Hz | 63 dB(A) |
| Nominal rotation speed at 50 Hz | 1,500 rpm | 1,500 min-1 |
| Nominal rotation speed pump, 50 Hz | 490 min-1 |
| Operating fluid | P3 |
| Operating fluid filling | 17 l |
| Rotation speed at 50 Hz | 490 rpm | 490 min-1 |
| Weight: with motor | 570 kg | 1,256.62 lb |
Sound pressure level according to ISO 3744, class 2
| Cooling water connection unit for BA 251/501 | PK 133 100 -T |
| EVB 063 PA, Angle valve, electropneumatic, with PI, with PV, 24 V DC | 310VEP063-02 |
| Operating fluid level switch, 24 V DC for BA 251/501 | PK 133 115 -T |
| Pressure monitor for cooling water circulation system BA 251/501 | P 4747 161 MF |
| Resistance thermometer Pt 100 | PK 132 101 -T |
| KLF 063, cold trap | PK Z80 010 |
| KAS 63, condensate separator for pumping speeds up to 360 m3/h | PK Z10 010 |
| SAS 16, DN 16 ISO-KF, polyester filter | PK Z60 506 | |
| SAS 63, DN 63 ISO-K, polyester filter | PK Z60 511 |
| PTC-resistor tripping device for motor protection | P 4768 052 FQ |
| OME 100 M, oil mist separator for pumping speeds up to 300 m3/h | PK Z40 012 |
| Oil return unit, ODK 005, standard version | PK Z90 065 |
| Straight reducing piece, Stainless Steel 304/1.4301, DN 100/63 ISO-K | 320RRG100-063-50 |
| Conversion kit for gas ballast valve to KF connection | PK 133 863 -T |
| Magnetic gas ballast valve 230 V, 50 Hz | PK V52 001 |
| VFS 016 , venting valve 24 V DC | PK V52 024 |
| Vibration isolators for BA 251/501 | PK 132 855 -T |
| P3, mineral oil, 1 l | PK 001 106 -T | |
| P3, mineral oil, 5 l | PK 001 107 -T | |
| P3, mineral oil, 20 l | PK 001 108 -T |
| T | +1 (800) 248-8254 |
| F | +1 (888) 658-7983 |
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