Used Vacuum Pumps›Busch›R5 RA / RB
Busch · R5 RA / RB
Busch RA 0025 E 503 — rotary vane, 10 m³/h
Original title: Busch RA 0025 E 503 Drehschieber Pumpe Vakuumpumpe
📍 Germany
🟢 Good fit
Well-suited for WAVE101/FD260; price near median for this family.
Condition from photo
Exterior clean, control panel intact, hoses present, no visible oil leaks or damage.
Likely refurb / add-ons
- Oil change and filter service (~€110)
- Soft-starter installation (~€280)
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 #185624011096
- 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 0025 E 503
- Serial
- 02027884
- Type
- RA 0025 E 503
- Serial No.
- 02027884
- Pressure p
- 0.5 hPa (mbar)
- Oil
- ISO VG 100
- Oil volume
- 1 l
- 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
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.