Pfeiffer DUO 3 Dual Stage Rotary Vane Vacuum Pump (pre-owned)

***This pump is fully tested and working at or near manufacturers specifications***

60 days warranty

Technical Data

Duo 3, 1-phase motor: 115/230 V, 50/60 Hz

Connection flange (in): DN 16 ISO-KF

Connection flange (out): DN 16 ISO-KF

Pumping speed at 50 Hz: 2.5 m³/h | 1.47 cfm | 41.67 l/min

Pumping speed at 60 Hz: 2.9 m³/h | 1.71 cfm | 48.33 l/min

Final pressure: 3 x 10^-3 hPa | 2.25 x 10^-3 Torr | 3 x 10^-3 mbar

Final pressure with gas ballast: 3 x 10^-2 hPa | 2.25 x 10^-2 Torr | 3 x 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: 115 g/h

Water vapor capacity 60 Hz: 175 g/h

Water vapor tolerance at 50 Hz: 65 hPa | 48.75 Torr | 65 mbar

Water vapor tolerance at 60 Hz 80 hPa | 60 Torr | 80 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 0.4 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): 396 x 143 x 209 mm | 15.59 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 kg | 33.07 lb