Busch · Other
Busch RB 0021 B — rotary vane pump, 2.0 mbar
Original title: Busch Vakuumpumpe RB0021B RB 0021 B 100051 -used-
Market median (sold): €1.929 from 97 sales in this family
📍 Germany
🟡 OK with refurb
Suitable for WAVE freeze dryers; typical refurbishment needed before deployment.
Condition from photo
Exterior shows moderate dust and age patina; oil level and internal wear not visible. Hoses present, mounting frame intact, labels legible.
Likely refurb / add-ons
- Oil change (Busch VSL32) — €35
- Exhaust filter replacement — €80
- Soft-starter module — €280
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
- —
- Year
- 2011 (per nameplate)
- Source
- eBay
- Listing #
- eBay #296500218688
- Last verified
- Aug 11, 2026
Price history— Busch Other
Median €2.100 · 956 observations · €308–€33.945
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Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- RB 0021 B
- Serial
- 100051
- Year (plate)
- 2011
- Type
- RB 0021 B
- Serial No.
- 100051
- Pressure
- 2.0 hPa (mbar)
- Oil
- Busch VSL32 0.50 L
- Year
- 2011
- 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 Busch vacuum pump — model family not auto-detected. Send us the listing URL for a free identification + suitability check.