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PK D78 711 C
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Duo 6, 1-phase motor, 115/230 V, 50/60 Hz
Order number: PK D78 711

  • Dual-stage, high-performance rotary vane pump with a pumping speed of 5 m3/h at 50 Hz / 6 m3/h at 60 Hz
  • With single-phase motor with C14 connector plug inside the terminal box
  • Integrated gas ballast and HV safety valve
  • For all low and medium vacuum applications
  • Optionally with magnetic coupling
  • Special feature: Various motor voltages for worldwide employment

Please note: cable has to be ordered as accessory separately

Connection flange (in) DN 16 ISO-KF
Connection flange (out) DN 16 ISO-KF
Pumping speed at 50 Hz 5 m³/h | 2.94 cfm | 83.33 l/min
Pumping speed at 60 Hz 6 m³/h | 3.53 cfm | 100 l/min
Final pressure 3 · 10-3 hPa | 2.25 · 10-3 Torr | 3 · 10-3 mbar
Final pressure with gas ballast 3 · 10-2 hPa | 2.25 · 10-2 Torr | 3 · 10-2 mbar
Exhaust pressure, min. Atmospheric pressure
Exhaust pressure, max. 1,500 hPa | 1,125 Torr | 1,500 mbar
Water vapor capacity 50 Hz 110 g/h
Water vapor capacity 60 Hz 170 g/h
Water vapor tolerance at 50 Hz 30 hPa | 22.5 Torr | 30 mbar
Water vapor tolerance at 60 Hz 40 hPa | 30 Torr | 40 mbar
Rotation speed at 50 Hz 3,000 rpm | 3,000 min-1
Rotation speed at 60 Hz 3,600 rpm | 3,600 min-1
Cooling method Air (Forced convection)
Motor protection Bimetal
Motor type 1-phase motor
Ambient temperature 12-40 °C | 53.6-104 °F | 285-313 K
Continuous gas input temperature, max. 40 °C | 104 °F | 313 K
Emission sound pressure level without gas ballast at 50 Hz 54 dB(A)
Switch Yes  
Input voltage(s) 115 / 230 V AC (±10 %), 50/60 Hz  
Recommended on-site electric fuse protection 16 / 6 A
Mains cable No, C14-plug inside the terminal box  
Gas ballast flow 540 l/h
Gas ballast Yes
Gas ballast pressure ≤ 1,500 hPa | ≤ 1,125 Torr | ≤ 1,500 mbar
Operating fluid P3
Operating fluid amount 0.5 l
Leakage 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) 418 x 143 x 209 mm | 16.46 x 5.63 x 8.23 inch
Rated power 50 Hz 0.25 kW
Rated power 60 Hz 0.3 kW
Protection degree IP40
Certification CE
cTUVus certified according to UL / CSA 61010-1
Weight 15.5 kg | 34.17 lb

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

Dimension-TIM-RS

Characteristic-TIM-RS-1

Characteristic-TIM-RS-2

Consumable

P3, mineral oil, 1 l PK 001 106 -T
P3, mineral oil, 0.5 l PK 001 136 -T
File Type Language Date Filesize
Data sheet PDF EN 12-06-2023 ~ 454.4 KB
Stepfile STP EN 03-21-2023 ~ 10.6 MB
File Type Language Date Filesize
Operating instructions Duo 6 / Duo 6 M / Duo 6 MC (PD0084BEN_A) PDF EN 03-08-2021 ~ 7.1 MB
Your local contact
Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

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