Used Vacuum Pumps›Busch›R5 RA / RB
Busch · R5 RA / RB
Busch model RA0255.D506.1001 Rotary Vane Vacuum Pump
📍 USA
🟡 OK with refurb
Suitable for WAVE101/FD260 but needs standard refurbishment before use.
Condition from photo
Exterior shows age and dust accumulation. Oil level and internal wear cannot be assessed from photos. Nameplate legible. No visible leaks or damage.
Likely refurb / add-ons
- Oil change and filter service: €80–120
- Exhaust filter replacement: €80
- Soft-starter (optional, for grid stability): €280
Watch out for
- Price €1,860 is ~8× median market value (€22); verify condition and test before
- Age and dust suggest storage; internal condition unknown without disassembly.
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 #397575133657
- Last verified
- Jul 17, 2026
Fits WAVE machines: WAVE101, FD260
Price history— Busch R5 RA / RB
Median €2.785 · 638 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
- RA0255.D506.1001
- Serial
- UO70600882
- Displacement
- 180 CFM
- Vacuum
- 0.5 torr
- Oil (SAE)
- 30 Wt., 8.0 qt.
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.