Used Vacuum Pumps›Busch›R5 RA / RB
Busch · R5 RA / RB
Busch Vacuum Pump R5 RB0021 C 3M5
Market median (sold): €2.883 from 78 sales in this family
📍 United Kingdom
🟡 OK with refurb
Suitable for FD260/FD440 but requires standard refurbishment before use.
Condition from photo
Exterior clean, motor finned and intact, nameplate legible. No visible oil leaks or damage. Motor label shows 2024 manufacture.
Likely refurb / add-ons
- Oil change (Busch VSB 032, 0.33 L) – €30
- Exhaust filter replacement – €80
- Gas-ballast service inspection – €60
Watch out for
- Price €819 is ~37× median market value (€22); verify seller justification or neg
- Internal wear state cannot be assessed from exterior 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
- ~21 m³/h
- Water-vapour tolerance
- ~110 g/h
- Ultimate vacuum
- ≤ 0.1 mbar
- Year
- 2024 (per nameplate)
- Source
- eBay
- Listing #
- eBay #389541177728
- Last verified
- Sep 26, 2026
Fits WAVE machines: FD260, FD440
Price history— Busch R5 RA / RB
Median €2.790 · 950 observations · €1–€62.418
Recent sales (Busch R5 RA / RB)
- €4.259Sep 22, 2026Busch R5 RA 0063 F 503 Oil Lubricated VACUUM PUMP 0,1hPa(mbar) RA0063F
- €4.324Sep 22, 2026Busch R5 RA0063.F Vacuum Pump 41cfm 3hp 230/460v-ac
- €4.645Sep 22, 2026BUSCH VACUUM PUMP R5 RA 0155 5.5 HP
- €883Sep 22, 2026Busch R5 RB 0021 C 3Z5 Rotary Vane Vacuum Pump 1 mbar Oil Lubricated
- €3.239Sep 22, 2026Busch RA 0025 F 503 Rotary Vane Vacuum Pump 1kW 30m³/h -Unused/Original Packaging
- €3.310Sep 22, 2026One NEW BUSCH R5 RA 0063 F 403 RA0063F403 Oil Lubricated VACUUM PUMP
- €3.563Sep 22, 2026Busch R5 RA 0040 F 503 Vacuum Pump 1.4kW 0.1hPa 48m³/h 1800rpm -Unused
- €594Sep 22, 2026Busch RA 0010 Vacuum Pump 00003174
- €3.720Sep 22, 2026BUSCH R5 RA0165.D506.1001 ROTARY VANE VACUUM PUMP 230/460 Volt 3PH 117 CFM 7.5HP
- €1.297Sep 22, 2026busch r5 vacuum pump 3 phase 230-240 volt 1.5 HP
- €4.650Sep 22, 2026Busch R5 URA0063.E503.1001 Rotary Vane Vacuum Pump 63 m³/h 3HP Baldor...
- €2.324Sep 22, 2026Busch R5 KB 0016 E Rotary Vane Vacuum Pump Atlas 0612 155 415 (819530B)
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- R5 RB 0021 C 3M5
- Serial
- CZM124390064
- Year (plate)
- 2024
- Pumping speed
- 20 m³/h
- Ultimate vacuum
- 2 hPa (mbar)
- Max speed
- 3000 min⁻¹
- Oil quantity
- 0.33 L
- Oil type
- BUSCH VSB 032
- Motor voltage
- 220–240 V
- Motor frequency
- 50 Hz
- Motor power
- 0.75 kW
- Motor current
- 6.1 A
- Power factor
- 0.96
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.