Edwards · RV
Edwards RV-12 — rotary vane, 3 m³/h
Original title: Edwards RV-12 Rotary Vane Vacuum Pump
📍 USA
🟢 Good fit
Excellent match for WAVE101; proven rotary vane with strong specs.
Condition from photo
Exterior clean, no visible oil leaks, all ports intact, mounted on base frame.
Likely refurb / add-ons
- Oil change (mineral, ~0.5 L) — €30
- Exhaust filter replacement — €80
- Gas-ballast service — €60
Watch out for
- Marked 'INSPECTED BY' on right unit — verify internal condition before purchase
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 #167924121009
- Last verified
- Jul 5, 2026
Fits WAVE machines: WAVE101
Price history— Edwards RV
Median €1.417 · 850 observations · €135–€162.750
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.