Used Vacuum PumpsBuschR5 RA / RB

Busch · R5 RA / RB

Busch R5 RA — rotary vane, 10 m³/h

Original title: Busch Drehschieber-Vakuumpumpe Typ R5 RA mit integriertem 3kW Elektromotor -used

€1.499

📍 Germany

🟡 OK with refurb

Suitable for WAVE101/FD260; typical refurb needed before deployment.

Condition from photo

Exterior clean, no visible oil leaks or damage. Motor and pump housing intact. Hoses present. Age and internal wear cannot be assessed from photos.

Likely refurb / add-ons

  • Oil change and filter service — €80–120
  • Exhaust filter replacement — €80
  • Soft-starter (optional, extends motor life) — €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 #406906950570
Last verified
Jul 26, 2026

Fits WAVE machines: WAVE101, FD260

Price history Busch R5 RA / RB

Median 2.785 · 638 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
R5 RA
Serial
1541/7951
Manufacturer
Dr.-Ing. K Busch GmbH, Schauinsllandstraße 1, D-79669 Maulbu
Part No.
0524112788
Serial No.
1541/7951
Power
3 kW
Power factor
cos φ 0.81
Voltage/Frequency
230/400 V ±10% 11.6/6.6 A 50 Hz
Electrical class
IP55 S1
Speed
1425 rpm
Standards
IEC 34 / IEC 38

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.

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