Edwards · RV
Edwards RV3 — rotary-vane vacuum pump, 3 m³/h
Original title: Pompa per vuoto rotativa Edwards RV3 A65201903R, per ricambi/riparazione
📍 USA
🟡 OK with refurb
Suitable for WAVE101; typical refurbishment needed before deployment.
Condition from photo
Exterior shows age and dust; oil level window visible but contents unclear; no obvious leaks or damage visible.
Likely refurb / add-ons
- Oil change and filter service (~€80)
- Exhaust filter replacement (~€80)
- Soft-starter unit (~€280)
Watch out for
- Exterior dust and age suggest unknown service history
- Oil condition cannot be assessed from photos alone
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- Oil-sealed rotary vane
- Pumping speed
- ~3 m³/h
- Water-vapour tolerance
- ~25 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Source
- eBay
- Listing #
- eBay #167877924843
- Last verified
- Jul 26, 2026
Fits WAVE machines: WAVE101
Price history— Edwards RV
Median €1.430 · 1003 observations · €135–€162.750
Type plate (AI reading)
- Exact model
- RV3
- Serial
- 49564391
- Model
- RV3
- Code No.
- 6520 1903R
- Weight
- 30.00 kg
- Electrical (50 Hz)
- 240 V 50/60 Hz
- Electrical (60 Hz)
- 120 V 50/60 Hz
- Origin
- Made in England by Edwards Limited
- Approvals
- CE
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
What to look for on this family
Two-stage oil-sealed rotary vane with gas-ballast. Check oil colour through sight glass (clear amber = healthy, milky = water contamination) and that the gas-ballast knob turns freely.
Manufacturer datasheet — Edwards RV
- Bauart
- Zweistufige ölgedichtete Drehschieberpumpe
- Saugvermögen (50 Hz)
- 3.3 / 6.2 / 9.0 / 14.4 m³/h (RV3 / 5 / 8 / 12)
- Enddruck (ohne Gasballast)
- ≤ 1.5 × 10⁻³ mbar
- Enddruck (mit Gasballast)
- ≤ 5 × 10⁻² mbar
- Wasserdampfverträglichkeit
- skaliert mit Pumpgröße
- Motorleistung
- 0.25 – 0.55 kW
- Ölsorte
- Edwards Ultragrade 19/20
- Ölfüllung
- 0.4 – 1.0 l
- Hersteller
- Edwards Vacuum
Curated from the manufacturer's official datasheet for this family / model. The specific pump may vary slightly by variant.