Edwards · RV
Edwards RV8 — rotary vane, 6 m³/h
Original title: Thermo ISQ EC Single Quad Mass Spectrometer MS w/ Edwards RV8 Vacuum Pump
📍 USA
🔴 Check carefully
Spec-suitable for WAVE101/FD260 but listing conflates mass spectrometer with pump.
Condition from photo
Exterior clean, no visible oil leaks or damage. Mounted on vibration mat. Label legible.
Likely refurb / add-ons
- Oil change and filter service (~€110)
- Soft-starter retrofit (~€280)
Watch out for
- Listing title is misleading: describes a Thermo ISQ EC mass spectrometer, not th
- Pump appears to be part of a decommissioned MS system; verify standalone operati
- No pump nameplate visible in photos; Edwards RV8 identity inferred from title on
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- Oil-sealed rotary vane
- Pumping speed
- ~6 m³/h
- Water-vapour tolerance
- ~50 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Source
- eBay
- Listing #
- eBay #147328355456
- Last verified
- Jul 5, 2026
Fits WAVE machines: WAVE101, FD260
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.