Used Vacuum Pumps›Busch›R5 RA / RB
Busch · R5 RA / RB
Busch RA0400 — rotary vane, 330 CFM
Original title: Busch RA0400-B033-1108 Vacuum Pump 330 CFM 0.5 Torr Made in USA
📍 USA
🟡 OK with refurb
Suitable for WAVE101/FD260; price high vs. recent market. Inspect internals before purchase.
Condition from photo
Externally clean, well-wrapped on pallet. No visible oil leaks or damage. Labels legible. Cannot assess internal wear from photos.
Likely refurb / add-ons
- Oil change + filter service (~€110)
- Soft-starter (optional, ~€280)
- Exhaust filter replacement (~€80)
Watch out for
- Asking price €10,463 is 3.5× recent median (€2,948); verify condition justifies
- Pumping speed ~10 m³/h is lower than 330 CFM spec (≈9.3 m³/h nominal); confirm a
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- Oil-sealed rotary vane
- Pumping speed
- ~10 m³/h
- Water-vapour tolerance
- ~50 g/h
- Ultimate vacuum
- ≤ 0.1 mbar
- Source
- eBay
- Listing #
- eBay #127775411793
- Last verified
- Jul 5, 2026
Fits WAVE machines: WAVE101, FD260
Price history— Busch R5 RA / RB
Median €2.576 · 571 observations · €1–€45.105
Recent sales (Busch R5 RA / RB)
- €4.836May 19, 2026Busch RA 0063 F 503 Oil Lubricated VACUUM PUMP 0,1hPa(mbar) RA0063F DHL/Fedex
- €1.060Jan 21, 2026BUSCH R5 RA 0010 C Vacuum Pump Salvage from a closed factory
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- RA0400-B033-1108
- Serial
- C 5127
- Type
- RA0400-B033-1108
- Displacement
- 330 CFM
- Vacuum
- 0.5 TORR
- Oil (SAE)
- 30 Wt. / 14.0 QT.
- Origin
- Made in U.S.A.
- Approvals
- CE, RUL
- Buschi Inc. Driving Bench VA 23452
- Virginia Bench
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Oil-sealed rotary vane with gas-ballast. Robust workhorse. Check ballast valve is intact and oil is clear amber. Run gas-ballast open under water vapour load.
Manufacturer datasheet — Busch R5 RA / RB
- Bauart
- Einstufige ölgedichtete Drehschieberpumpe mit Gasballast
- Saugvermögen (50 Hz)
- 10 – 100 m³/h (RA 0010 – RA 0100)
- Enddruck
- ≤ 0.1 mbar
- Wasserdampfverträglichkeit
- ca. 50 – 330 g/h
- Saugstutzen
- DN 25/40 ISO-KF
- Motorleistung
- 0.55 – 3.0 kW
- Drehzahl (50 Hz)
- 1500 1/min
- Ölsorte
- Busch VM 100 (mineralisch)
- Ölfüllung
- 0.5 – 4.0 l
- Ölwechsel-Intervall
- ca. 500 – 2000 Bh, je nach Anwendung
- Schutzart Motor
- IP55
- Hersteller
- Busch Vacuum Solutions
Curated from the manufacturer's official datasheet for this family / model. The specific pump may vary slightly by variant.