Denair DS250 等距螺旋真空泵 (250 m³/h (50Hz); 300 m³/h (60Hz))

Pumping speed (m³/hr): 250 (50 Hz) / 300 (60 Hz)

Pumping speed (L/min): 4200 (50 Hz) / 5000 (60 Hz)

Pumping speed (L/s): 70 (50 Hz) / 84 (60 Hz)

Extreme pressure (mbar): 0.02 (50 Hz) / 0.01 (60 Hz)

Extreme pressure (Torr): 0.015 (50 Hz) / 0.0075 (60 Hz)

Extreme pressure (Pa): 2 (50 Hz) / 1 (60 Hz)

Power (kW): 7.5

Speed (RPM): 2900 (50 Hz) / 3550 (60 Hz)

Inlet port (mm): 80

Outlet diameter (mm): 40

Gear oil chamber (L): 0.85

Cooling water (L/min): 2.60

Cooling water (gal/min): 0.70

Weight (kg): 350

Noise level [dB(A)]: 78

Allowable temperature (°C): 5–40

Maximum permissible humidity: 90 %