Used Vacuum PumpsBuschR5 RA / RB

Busch · R5 RA / RB

Busch R5 RA 0250 D — rotary vane, 10 m³/h

Original title: (Lot of 2) Busch R5 RA 0250 D 503 Vacuum Pump - FREE SHIPPING

€4.185

📍 USA

🟡 OK with refurb

Suitable for WAVE101/FD260; typical refurb needed before freeze-dry use.

Condition from photo

Exterior shows age and dust; oil level/leaks not visible. Nameplate legible. Mounting frame intact.

Likely refurb / add-ons

  • Oil change & filter service — €80
  • Exhaust filter replacement — €80
  • Soft-starter (optional) — €280

Watch out for

  • Lot of 2 units; verify both are functional before purchase
  • Age and dust accumulation suggest storage; internal wear state unknown

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
2018 (per nameplate)
Source
eBay
Listing #
eBay #178195418728
Last verified
Jun 12, 2026

Fits WAVE machines: WAVE101, FD260

Price history Busch R5 RA / RB

Median 2.576 · 571 observations · €1–€45.105

€344€22.725€45.105Jan. 26Juli 26

Recent sales (Busch R5 RA / RB)

Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.

Type plate (AI reading)

Exact model
RA 0250 D 503
Serial
C1809000273
Year (plate)
2018
Manufacturer
Ateliers Busch S.A., Zone Industrielle, CH-1206 Genève
Model
RA 0250 D 503
Pumping speed S(N₂)
max. 10 m³/h
Ultimate vacuum
≤ 0.1 mbar
Water-vapour tolerance
~50 g/h
Vmax
300 m³/h
Oil quantity
0.6 l
Approvals
CE, TÜV Rheinland
Year
2018

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.

W

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