Used Vacuum Pumps›Pfeiffer›Other
Pfeiffer · Other
Pfeiffer Balzers DUO 004 B — rotary vane, 4 m³/h
Original title: PFEIFFER BALZERS DU0 004 B Drehschieber Vakuumpumpe 4m³/h
Market median (sold): €1.239 from 132 sales in this family
📍 Germany
🟡 OK with refurb
Suitable for WAVE freeze dryers; typical refurb needed before deployment.
Condition from photo
Exterior shows age and light corrosion; oil level/cleanliness not visible; mounting frame intact; warning labels present.
Likely refurb / add-ons
- Oil change & filter service (€80)
- Gas-ballast service (€60)
- Soft-starter or VFD integration (€280)
Watch out for
- Age and corrosion visible on housing; internal wear cannot be assessed from phot
- Price (€555) is well below median (€1,918) — verify pump function before purchas
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- other
- Pumping speed
- ~0 m³/h
- Water-vapour tolerance
- ~0 g/h
- Ultimate vacuum
- —
- Source
- eBay
- Listing #
- eBay #137099262900
- Last verified
- Sep 26, 2026
Price history— Pfeiffer Other
Median €1.125 · 1949 observations · €372–€26.970
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Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- DUO 004 B
- Serial
- FK D42 305 /N4643A
- Type
- DUO 004 B
- Manufacturer Part No.
- FK D42 305 /N4643A
- Volume flow rate
- 4 m³/h
- Ultimate pressure
- 1 × 10⁻⁴ mbar
- Drive power
- 0.25 kW
- Nominal voltage
- 3 ~ 1 380-415 V
- Nominal current
- 1.2 A
- Frequency
- 50/60 Hz
- Protection
- IP 55
- Operating agent
- P3
- Motor
- 0.9
- Pump
- 0.8
- Origin
- Made in Germany
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Generic Pfeiffer vacuum pump — model family not auto-detected. Send us the listing URL for a free identification + suitability check.