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PK D57 553
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Duo 3 DC, 24 V DC, DN 16 ISO-KF
Order number: PK D57 553

  • Dual-stage, high-performance rotary vane pump with a pumping speed of 2.5 m3/h
  • With 24 V DC-drive
  • Integrated gas balllast and safety valve
  • To connect pump with power supply TPS 310, connector plug P 4723 102 is necessary
  • Suitable for operation with the wide range of temperature from -20 to +40 °C
  • Very low noise level 53 dB (A) allows installation close to a work space
  • Lowcost of ownership due to power consumption < 100 W
  • Low maintenance due to brushless drive and optional magnetic coupling
  • Easy installation and small footprint
Flange (in) DN 16 ISO-KF
Flange (out) DN 16 ISO-KF
Pumping speed 2.5 m³/h | 1.47 cfm | 41.67 l/min
Ultimate pressure with gas ballast 3 · 10-3 hPa | 2.25 · 10-3 Torr | 3 · 10-3 mbar
Ultimate pressure without gas ballast 3 · 10-3 hPa | 2.25 · 10-3 Torr | 3 · 10-3 mbar
Exhaust pressure, min. Atmospheric pressure
Exhaust pressure, max. 1,500 hPa | 1,125 Torr | 1,500 mbar
Rotation speed max. 3,000 rpm | max. 3,000 min-1
Cooling method, standard Air
Motor protection Electronically
Motor version DC motor
Ambient temperature -20-40 °C | -4-104 °F | 253-313 K
Emission sound pressure level without gas ballast or purge 53 dB(A)
Switch New No  
Recommended mains fuse capacity 16 A
Mains cable Yes, with bare ends  
Operating fluid Inland 45
Operating fluid filling 0.4 l
Leak rate safety valve 1 · 10-5 Pa m3/s | 7.5 · 10-5 Torr l/s | 1 · 10-4 mbar l/s
Dimensions (L x W x H) 275 x 123 x 173 mm | 10.83 x 4.84 x 6.81 inch
Voltage: Range ±10 %
Rated current absorption 9.8 A
Protection category IP20
Weight 7 kg | 15.43 lb

Typical ultimate pressure according to PNEUROP

Dimension-TIM-RS

Characteristic-TIM-RS-1

File Type Language Date Filesize
Data sheet PDF EN 05-22-2019 ~ 666.1 KB
File Type Language Date Filesize
Operating instructions Duo 3 DC / Duo 3 M DC (PD0074BEN_B) PDF EN 07-18-2016 ~ 5.7 MB
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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