Used Vacuum PumpsBuschR5 RA / RB

Busch · R5 RA / RB

Busch RA 0155 A 503 — rotary vane, 10 m³/h

Original title: BUSCH 0155 R5 VACUUM PUMP

€4.645

📍 USA

🟡 OK with refurb

Suitable for WAVE101/FD260; typical refurb needed. Price slightly above median.

Condition from photo

Externally clean, mounted on wooden frame with castors. Motor label legible. No visible oil leaks or damage.

Likely refurb / add-ons

  • Oil change + filter service (~€110)
  • Exhaust filter replacement (~€80)
  • 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
Year
2015 (per nameplate)
Source
eBay
Listing #
eBay #326599940022
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 0155 A 503
Serial
C1535000600
Year (plate)
2015
Manufacturer
Ateliers Busch S.A., Chevenez, Switzerland
Vacuum pump type
RA 0155 A 503
Absolute pressure
0.1 hPa (mbar)
Max. speed
1800 min⁻¹
Max. pumping speed
175 m³/h
Oil type
Busch VM 100
Oil quantity
3.5 L
Mass
150 kg
Origin
Made in Switzerland

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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