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): €1.298 from 103 sales in this family
📍 Germany
🟢 Good fit
Suitable vacuum source for WAVE freeze dryers; good displacement and proven design.
Condition from photo
Exterior shows age and light corrosion; housing intact, finned cooling surfaces clean, control switch present, warning labels visible.
Likely refurb / add-ons
- Oil change and filter service (€80–120)
- Gas-ballast service inspection (€60)
- Soft-starter or VFD retrofit (€280–400)
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 #134431516041
- Last verified
- Aug 11, 2026
Price history— Pfeiffer Other
Median €1.119 · 1416 observations · €372–€23.648
Recent sales (Pfeiffer Other)
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- €537Aug 9, 2026Pfeiffer Balzers DU0 004 B rotary vane vacuum pump 4 m³/h
- €1.075Aug 9, 2026Pfeiffer SplitFlow 310 PM P04 299 Vacuum Pump Used
- €532Aug 9, 2026Pfeiffer MVP 020-3 DC Diaphragm Dry Vac Pump 24 Volt PK T01 150 Tested Cleaned
- €698Aug 9, 2026PFEIFFER PK D41 064 F/PBF 71/2B-11RQ (VACUUM PUMP) - 6 Months Warranty
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- DUO 004 B
- Serial
- PK D42 305 /N4643A
- Type
- DUO 004 B
- Manufacturer Part No.
- PK 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
- Operating agent
- P3
- Motor
- 0.9 kW
- Pump
- 0.8 kW
- Protection
- IP 55
- 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.