Used Vacuum Pumps›Busch›R5 RA / RB
Busch · R5 RA / RB
Busch RA 0025 — rotary vane, 10 m³/h
Original title: Busch RA 0025.E5G3.1001 Drehschieber Vakuumpumpe 7AA 90S 04
📍 Germany
🟢 Good fit
Well-suited for WAVE101/FD260; typical refurb needed before deployment.
Condition from photo
Externally clean, no visible oil leaks or damage; labels intact and legible; mounted on frame with motor.
Likely refurb / add-ons
- Oil change and 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
- Source
- eBay
- Listing #
- eBay #133213239955
- Last verified
- Jul 5, 2026
Fits WAVE machines: WAVE101, FD260
Price history— Busch R5 RA / RB
Median €2.576 · 571 observations · €1–€45.105
Recent sales (Busch R5 RA / RB)
- €4.836May 19, 2026Busch RA 0063 F 503 Oil Lubricated VACUUM PUMP 0,1hPa(mbar) RA0063F DHL/Fedex
- €1.060Jan 21, 2026BUSCH R5 RA 0010 C Vacuum Pump Salvage from a closed factory
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- 7AA 90S 04
- Serial
- 0706586
- Manufacturer
- Busch, Dr.-Ing. K. Busch GmbH, Maulburg
- Type
- 7AA 90S 04
- Motor type
- 3 ~ Mot.
- IP rating
- IP 55
- Serial No.
- 0706586
- Frame size
- B14
- Speed
- 1415/1715 min⁻¹
- Power factor
- cos φ: 0.81/0.82
- Insulation class
- F
- Frequency 50 Hz
- YY/Y 190–210 | 380–420 V
- Current 50 Hz
- A: YY/Y 5.6 | 2.8 A
- Power 50 Hz
- P: YY/Y 200 | 400 W
- Apparent power 50 Hz
- S: YY/Y 5.4 | 2.7 kVA
- Frequency 60 Hz
- YY/Y 190–240 | 380–480 V
- Current 60 Hz
- A: YY/Y 5.0 | 2.5 A
- Power 60 Hz
- P: YY/Y 230 | 460 W
- Apparent power 60 Hz
- S: YY/Y 4.8 | 2.4 kVA
- OEM rebadge
- Siemens CZ, Type 1LA7 090–4AA92
- Port No.
- 0613 129 386
- Approvals
- CE, UL, CSA
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.