Laboratory vacuum pump Duo 125/M series

rotary vanehigh-performancelubricated

Rugged design for demanding industrial applications Highest availability thanks to long maintenance intervals Flexible use due to extensive accessories program With maintenance-free magnetic coupling Duo 125 M, 3-phase motor, 3TF, 230/400 V, 50 Hz | 265/460 V, 60 Hz Order number: PK D47 152 Dual-stage, high-performance rotary vane pump with a pumping speed up to 135 m3/h With 3-phase motor and magnetic coupling With temperature sensor (3TF) for optimum motor protection Integrated gas ballast and HV safety valve For all low and medium vacuum applications Special feature: Various motor voltages for wide application field Other motor voltages available on request Flange (in) DN 63 ISO-F Flange (out) DN 63 ISO-F Pumping speed at 50 Hz 115 m³/h | 67.69 cfm | 1,916.67 l/min Pumping speed at 60 Hz 135 m³/h | 79.46 cfm | 2,250 l/min Ultimate pressure with gas ballast 4 · 10-3 hPa | 3 · 10-3 Torr | 4 · 10-3 mbar Ultimate pressure without gas ballast 2 · 10-3 hPa | 1.5 · 10-3 Torr | 2 · 10-3 mbar Exhaust pressure, max. 1,500 hPa | 1,125 Torr | 1,500 mbar Exhaust pressure, min. 250 hPa | 187.5 Torr | 250 mbar Water vapor capacity 50 Hz 216 g/h Water vapor capacity 60 Hz 246 g/h Water vapor tolerance at 50 Hz 2.7 hPa | 2.02 Torr | 2.7 mbar Water vapor tolerance at 60 Hz 2.6 hPa | 1.95 Torr | 2.6 mbar Rotation speed at 50 Hz 1,000 rpm | 1,000 min-1 Rotation speed at 60 Hz 1,200 rpm | 1,200 min-1 Cooling method, standard Air Motor protection 3TF Motor version 3-ph motor Ambient temperature 12-40 °C | 53.6-104 °F | 285-313 K Emission sound pressure level without gas ballast at 50 Hz ≤ 75 dB(A) Switch No