Used Vacuum Pumps›Busch›R5 RA / RB
Busch · R5 RA / RB
Busch R5 KH 0050 A — rotary vane, 10 m³/h
Original title: 1x Busch R5 KH 0050 A IZ0 48m³/h 5hPa Handtmann 9045526 Vakuumpumpe
📍 Germany
🟡 OK with refurb
Suitable for WAVE101/FD260; typical refurb needed before freeze-dry use.
Condition from photo
Exterior shows moderate wear, dust accumulation, minor paint damage. Oil level and internal condition not visible. Mounting frame intact.
Likely refurb / add-ons
- Oil change and filter service — €80–120
- Exhaust filter replacement — €60–100
- Soft-starter (optional, extends pump life) — €250–350
Watch out for
- Pumping speed ~10 m³/h is at lower end for WAVE machines; verify against your sy
- No visible oil leaks, but internal wear cannot be assessed from photos alone.
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 #326759742864
- Last verified
- Jul 26, 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
- R5 KH 0050 A
- Manufacturer
- Busch Vakuumpumpen GmbH
- Model
- R5 KH 0050 A
- Type
- Rotary vane vacuum pump
- Pumping speed S(N₂)
- 48 m³/h
- Ultimate vacuum
- ≤ 5 hPa
- Oil capacity
- approx. 1.0 l
- Approvals
- CE
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.