Used Vacuum PumpsPfeifferDuo

Pfeiffer · Duo

Pfeiffer DUO 10 M Dual Rotary Vane Pump

€885

📍 Singapore

🟡 OK with refurb

Suitable for FD260 but requires standard refurbishment before use.

Condition from photo

Exterior clean, no visible oil leaks. Motor shows age-appropriate wear. Labels legible. Mounting frame intact.

Likely refurb / add-ons

  • Oil change and filter service: €80–120
  • Exhaust filter replacement: €60–80
  • Soft-starter (optional, for grid stability): €280

Watch out for

  • Price €864 is above recent median (€276); verify condition and test before purch

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
Year
2009 (per nameplate)
Source
eBay
Listing #
eBay #187999656161
Last verified
Jul 5, 2026

Fits WAVE machines: FD260

Price history Pfeiffer Duo

Median 819 · 1231 observations · €66–€9.484

€300€4.892€9.484Apr. 26Juli 26

Recent sales (Pfeiffer Duo)

Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.

Type plate (AI reading)

Exact model
ONF 25
Serial
PK 240 157
Year (plate)
2009
Model
ONF 25
Made in Germany
2009/04

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.

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