Used Vacuum PumpsBuschR5 RA / RB

Busch · R5 RA / RB

Busch R5 RA0165 — rotary vane, 117 CFM

Original title: Busch R5 RA 0165 D 506 Vacuum Pump

€3.255

📍 USA

🟢 Good fit

Excellent match for WAVE101/FD260; proven family, good pumping speed.

Condition from photo

Exterior clean, well-maintained. No visible oil leaks, labels legible. Motor and pump housing in good order.

Likely refurb / add-ons

  • Oil change & filter service (~€80)
  • Exhaust filter replacement (~€80)
  • Soft-starter module (~€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 #127375757759
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
RAO165.D506.1001
Serial
UO427023221
Type
RAO165.D506.1001
Serial No.
UO427023221
Displacement
117 CFM
Vacuum
0.5 TORR
Oil (SAE)
30 Wt. / 7.0 QT.
Origin
Made in U.S.A.

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

Hi! I'm the WAVE advisor. I answer freeze-drying questions and help you find the right machine. How can I help?

AI advisor · prices are indicative, binding quote from the WAVE team.