Used Vacuum PumpsBuschR5 RA / RB

Busch · R5 RA / RB

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

Original title: Busch RA 0040 F 503 Vacuum Pump, R5, RA0040F503, VM 100 (2017) Rebuilt, No Motor

€1.75838% below market

Market median (sold): €2.822 from 64 sales in this family

🟡 OK with refurb

Suitable for FD440/MAX; rebuilt unit needs oil and inspection before use.

Condition from photo

Externally clean, yellow motor cap intact, red inlet valve visible, no obvious leaks or damage in photos.

Likely refurb / add-ons

  • Busch VM 100 oil (1.0 L) — €35
  • Exhaust filter replacement — €80
  • Motor coupling/soft-starter — €280

Watch out for

  • No motor included; buyer must source compatible 3-phase motor.
  • Unit marked 'Return to Stock' with note 'Rebuild Complete, New Rotor, Needs Oil'

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
Year
2017
Source
eBay
Listing #
eBay #306952878281
Last verified
Aug 2, 2026

Fits WAVE machines: FD440, FD440 MAX

Price history Busch R5 RA / RB

Median 2.608 · 812 observations · €1–€62.418

€344€31.381€62.418Jan. 26Aug. 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 0040 F 503
Serial
D174608878
Year (plate)
2017
Vacuum Pump
RA 0040 F 503
Absolute Pressure
0.1 hPa (mbar)
Max. Pumping Speed
48 m³/h
Max. Speed
1800 min⁻¹
Oil Type
Busch VM 100
Oil Quantity
1.00 L
Weight
42 kg
Manufacturer
Busch Produktions GmbH, Maulburg, Germany
Approvals
CE, TÜV
Year
2017

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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