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PK D48 152
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Duo 255 M, 3-phase motor, 3TF, 230/400 V, 50 Hz | 265/460 V, 60 Hz
Order number: PK D48 152

  • Dual-stage, high-performance rotary vane pump with a pumping speed up to 300 m3/h
  • 3-phase motor for 230/400 V, 50 Hz; 265/460 V, 60 Hz supply voltages
  • 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 worldwide employment
  • Other motor voltages available on request

Please note: cable has to be ordered as accessory separately

Connection flange (in) DN 100 ISO-F
Connection flange (out) DN 100 ISO-F
Pumping speed at 50 Hz 250 m³/h | 147.15 cfm | 4,166.67 l/min
Pumping speed at 60 Hz 300 m³/h | 176.58 cfm | 5,000 l/min
Final pressure with gas ballast 4 · 10-3 hPa | 3 · 10-3 Torr | 4 · 10-3 mbar
Final pressure without gas ballast 3 · 10-3 hPa | 2.25 · 10-3 Torr | 3 · 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
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 Air
Motor protection 3TF
Motor type 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  
Mains connection: voltage (range) ±5 %
Mains connection: voltage 50 Hz 230/400 V
Mains connection: voltage 60 Hz 265/460 V
Mains cable No  
Gas ballast Yes
Operating fluid P3
Operating fluid amount 25 l
Leakage rate magnetic coupling ≤ 1 · 10-7 Pa m3/s | ≤ 7.5 · 10-7 Torr l/s | ≤ 1 · 10-6 mbar l/s
Leakage rate safety valve ≤ 1 · 10-5 Pa m3/s | ≤ 7.5 · 10-5 Torr l/s | ≤ 1 · 10-4 mbar l/s
Rated power 50 Hz 7.5 kW
Rated power 60 Hz 9 kW
Protection degree IP55
Magnetic coupling Yes
Weight 397 kg | 875.23 lb

Sound pressure level according to ISO 3744, class 2
Typical ultimate pressure according to PNEUROP

Dimension-TIM-RS

Characteristic-TIM-RS-1

Characteristic-TIM-RS-2

Your local contact
Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

+1 (800) 248-8254
+1 (888) 658-7983
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