Two-Stage Rotary Vane Vacuum Pumps

POV275 Vacuum Pump

Pumping speed 50Hz

275 m³/h

Pumping speed 60Hz

306 m³/h

Motor speed 50Hz

1440 r/min

Motor speed 60Hz

1720 r/min

Motor power

7.5 kW, 3-phase, 4-pole

Ultimate pressure, gas ballast closed

5 × 10⁻¹ Pa (0.005 mbar)

Ultimate pressure, gas ballast open

1.0 Pa (0.01 mbar)

Maximum outlet pressure

0.05 MPa gauge

Maximum water vapor inlet pressure

1.2 × 10³ Pa (12 mbar)

Water vapor capacity

2.5 kg/h

Inlet size

VG80

Outlet size

VG60

Oil capacity upper limit

28 L

Oil capacity lower limit

23 L

Cooling water requirement

2 L/min at 20°C water

Weight

255 kg, including motor