Used Vacuum Pumps›Busch›R5 RA / RB
Busch · R5 RA / RB
Busch RA 1000 B — rotary vane, 10 m³/h
Original title: Busch R5 RA 1000B 4Z6 Rotary Vane Vacuum Pump
📍 USA
🔴 Check carefully
Suitable for WAVE101/FD260 but price far exceeds market; inspect internals before purchase.
Condition from photo
Exterior clean, mounted on frame with motor and piping. Oil sight-glass visible and amber-coloured. No obvious leaks or damage visible.
Likely refurb / add-ons
- Oil change (BUSCH VM 100, ~30 L): €150–200
- Exhaust filter replacement: €80–120
- Motor soft-starter (if not present): €280–350
Watch out for
- Asking price €45,105 is ~15× median market price (€2,948); verify authenticity a
- Cannot assess internal wear, bearing condition, or seal integrity from exterior
- Motor nameplate shows 40 HP / 1190 RPM (Baldor Reliance); confirm compatibility
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
- Year
- 2020 (per nameplate)
- Source
- eBay
- Listing #
- eBay #406534655253
- 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
- RA 1000 B 4Z6
- Serial
- CHM120300393
- Year (plate)
- 2020
- Manufacturer
- Ateliers Busch S.A., Chevenez, Switzerland
- Type
- Vacuum Pump RA 1000 B 4Z6
- Absolute pressure
- 0.3 hPa (mbar)
- Maximum speed
- 1200 min⁻¹
- Maximum volume flow
- 1200 m³/h
- Oil type
- BUSCH VM 100
- Oil quantity
- 30 L
- Mass
- 1250 kg
- Approvals
- CE, EAC
- Year of manufacture
- 2020
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.