Used Vacuum PumpsBuschR5 RA / RB

Busch · R5 RA / RB

Busch R5 — rotary vane, 10 m³/h, 1.5 HP

Original title: busch r5 vacuum pump 3 phase 230-240 volt 1.5 HP

€1.297

📍 USA

🟡 OK with refurb

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

Condition from photo

Exterior shows age and dust; oil sight glass visible but pump internals not inspectable. Hoses and electrical connections present. No obvious leaks or damage.

Likely refurb / add-ons

  • Oil change + filter service: €80–120
  • Exhaust filter replacement: €60–80
  • Soft-starter (optional, extends motor life): €250–300

Watch out for

  • Pump age unknown; no manufacturing date visible on nameplate.
  • Oil level and condition cannot be verified from exterior photos.

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 #206314779127
Last verified
Jul 17, 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 (ILFC frame 14510)
Serial
251059
Frame
14510
HP
1.5
Volts
200/400
Hertz
60
Amperes
6.0/3.0
Service Factor
1.15
NEMA Nominal Efficiency
75.9
NEMA Code
K
NEMA Design
B
Insulation
B
Max Amperes
40
Time Rating
Continuous

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

WAVE Advisor

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