Pfeiffer #DUO 3 / PK D57 711 A, Rotary Vane Vacuum Pump, 3600" RPM Max, 2.9 m3/h Pumping Speed

The Pfeiffer Vacuum DUO 3 is a two-stage rotary vane vacuum pump with a maximum pumping speed of 2.9 m3/h for nitrogen. The pump carries part number PK D57 711 A and serial number 22056595. Manufactured in Germany in August 2018, this unit operates on 115/230 V single-phase power at both 50 Hz and 60 Hz, drawing 2.90/1.45 A at 50 Hz and 3.90/1.95 A at 60 Hz. Maximum rotor speed is 3600 RPM. The oil charge is 0.4 liters, specified as P3 grade. Unit mass per nameplate is 11.5 kg. The integrated drive motor is an ATB Series P71 single-phase AC motor, model PBF 71/2B-11RQ, rated 0.15 kW (0.20 HP) at 50 Hz and 0.18 kW (0.24 HP) at 60 Hz, Class 155 (F) insulation, IP 55 enclosure, with a run capacitor of 2x25 MFD at 240 VAC. The DUO 3 is commonly used in laboratory, pharmaceutical, semiconductor, and light industrial vacuum applications requiring a compact, oil-sealed roughing pump. The unit is equipped with an exhaust filter assembly and an inline valve visible on the inlet side. The Pfeiffer Vacuum brand is manufactured by Pfeiffer Vacuum GmbH, headquartered in Asslar, Germany, a recognized supplier of vacuum technology for scientific and industrial markets.

Stock # 0426-02000