Used Vacuum PumpsBuschR5 RA / RB

Busch · R5 RA / RB

Busch R5 RA 0040 F403 — rotary vane, 40 m³/h

Original title: Used BUSCH R5 RA 0040 F 403 RA0040F403 Oil Lubricated VACUUM PUMP

€2.991

📍 United Kingdom

🟡 OK with refurb

Suitable for FD440/MAX; typical refurb needed before freeze-dryer duty.

Condition from photo

Exterior shows age and dust; oil level/leaks not visible; mounting frame intact; hoses present.

Likely refurb / add-ons

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

Watch out for

  • No internal inspection possible from photos; 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
~40 m³/h
Water-vapour tolerance
~210 g/h
Ultimate vacuum
≤ 0.1 mbar
Source
eBay
Listing #
eBay #358154272310
Last verified
Jul 5, 2026

Fits WAVE machines: FD440, FD440 MAX

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
BUSCH RA 0040 F 403
Pumping speed S(N₂)
max. 1500 min⁻¹
Oil capacity
0.4 l/min
Displacement
24 kg
Oil Busch Purol quench 100
1.00 l

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

Questions & advice · AI

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