Used Vacuum Pumps›Pfeiffer›Duo
Pfeiffer · Duo
Pfeiffer Duo 2.5 — two-stage rotary vane pump
Original title: Pfeiffer DUO 2.5 Dual Stage Rotary Vane Vacuum Pump Agilent G3170-80024 (p7)
Market median (sold): €744 from 26 sales in this family
📍 USA
🟡 OK with refurb
Suitable for WAVE; typical refurb needed. Price well below median.
Condition from photo
Exterior clean, no visible oil leaks. Motor housing and pump body intact. Red control knobs and lever present. Hose attached. Label legible.
Likely refurb / add-ons
- Oil change (Pfeiffer IN.45, 0.4 L) — €30
- Exhaust filter replacement — €80
- Soft-starter (optional, for grid stability) — €280
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- Oil-sealed rotary vane
- Pumping speed
- ~11 m³/h
- Water-vapour tolerance
- ~60 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Source
- eBay
- Listing #
- eBay #397194632404
- Last verified
- Jun 21, 2026
Fits WAVE machines: FD260
Price history— Pfeiffer Duo
Median €875 · 1921 observations · €66–€9.484
Recent sales (Pfeiffer Duo)
- €860Aug 9, 2026Pfeiffer Duo 2.5 PK D41 064 G Vacuum Pump Max 2.9m³/h 3600/min G3870-80056 Used
- €1.075Aug 9, 2026Pfeiffer DUO 030 A Vacuum Pump 30m³/h + AEG AM 90 SX4 Q4 1.1kW 1390/1660RPM Used
- €666Aug 9, 2026Pfeiffer DUO 2.5 PK D41 064F Agilent G3170-80026 Vacuum Pump 220-240V Used
- €656Aug 9, 2026Pfeiffer Duo 2.5 PK D41 064F Vacuum Pump
- €677Aug 9, 2026Pfeiffer DUO 2.5 PK D41 064F Agilent G3170-80026 Vacuum Pump 3600 RPM Used
- €860Aug 9, 2026Pfeiffer Duo 2.5 PK D41 064 E Vacuum Pump Max: 2.9m³/h 3000/min Used
- €536Aug 9, 2026Pfeiffer Balzers DUO 004 B Rotary Vane Vacuum Pump -used-
- €644Aug 9, 2026Pfeiffer Vacuum DUO 2.5 PK D41 602 A Vacuum Pump Vacuum Pump 0.13kW 2.5m³/h -used
- €644Aug 9, 2026Pfeiffer Vacuum DUO 2.5 PK D41 712 C Vacuum Pump Vacuum Pump 0.15kW 2.9m³/h -used
- €735Aug 9, 2026Pfeiffer Vacuum Pump DUO 11 / PK D59 721 C / 0.25-0.3 kW
- €806Aug 9, 2026Pfeiffer Balzers DUO 012A UF6 Version Fomblin Vacuum Pump 12 m³/h
- €742Aug 9, 2026Pfeiffer Balzers DUO 008 B Halogen Res. Vacuum pump 8 m³/h Fomblin 220V
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- DUO 2.5
- Agilent No.
- G3170-80024
- Manufacturer
- Pfeiffer Vacuum
- Type
- DUO 2.5
- Pumping speed S(N₂)
- max. 2.9 m³/h
- Oil
- IN.45 0.4 l
- Warning
- Fill pump with oil before operation
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Two-stage oil-sealed with gas-ballast. Common pulls from semicon and lab decommissioning — check the oil sight glass before bidding.
Manufacturer datasheet — Pfeiffer Duo
- Bauart
- Zweistufige ölgedichtete Drehschieberpumpe
- Saugvermögen (50 Hz)
- 1.25 / 2.5 / 5 / 10 / 20 / 35 / 65 m³/h (modellabhängig)
- Enddruck (ohne Gasballast)
- ≤ 6 × 10⁻⁴ mbar
- Enddruck (mit Gasballast)
- ≤ 4 × 10⁻³ mbar
- Wasserdampfverträglichkeit
- ca. 110 g/h bei DUO 10
- Wasserdampfkapazität
- ca. 30 mbar (mit Gasballast)
- Saugstutzen
- DN 16/25 ISO-KF (modellabhängig)
- Auslass
- DN 16/25 ISO-KF
- Betriebsspannung
- 1-Ph 230 V / 3-Ph 400 V (modellabhängig)
- Motorleistung
- 0.25 – 1.5 kW
- Drehzahl (50 Hz)
- 1500 1/min
- Drehzahl (60 Hz)
- 1800 1/min
- Ölsorte
- Pfeiffer P3 (mineralisch) bzw. F4 (synthetisch)
- Ölfüllung
- 0.4 – 2.0 l (modellabhängig)
- Ölwechsel-Intervall
- ca. 2000 Bh oder bei Verfärbung
- Geräuschpegel
- 52 – 60 dB(A)
- Gewicht
- 10.5 – 60 kg (modellabhängig)
- Umgebungstemperatur
- 12 – 40 °C
- Schutzart Motor
- IP54
- Hersteller
- Pfeiffer Vacuum GmbH, D-35614 Asslar
Curated from the manufacturer's official datasheet for this family / model. The specific pump may vary slightly by variant.