Edwards · RV
Edwards RV8 — rotary vane, 6 m³/h
Original title: Thermo ONIX VG Prima dB Process Mass Spectrometer w/ EDWARDS RV8 Vacuum Pump
📍 USA
🟢 Good fit
Excellent match for WAVE101/FD260; proven oil-sealed rotary vane.
Condition from photo
Exterior clean, mounted on frame with Edwards control unit. No visible oil leaks or damage.
Likely refurb / add-ons
- Oil change & filter service (~€80)
- Gas-ballast service (~€60)
- 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
- ~6 m³/h
- Water-vapour tolerance
- ~50 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Source
- eBay
- Listing #
- eBay #357325197940
- Last verified
- Jun 12, 2026
Fits WAVE machines: WAVE101, FD260
Price history— Edwards RV
Median €1.417 · 850 observations · €135–€162.750
Type plate (AI reading)
- Exact model
- RV8
- Serial
- 027516728
- Model
- RV8
- Code No.
- A654-01-903
- Weight
- 27 kg
- Serial No.
- 027516728
- Origin
- Made in England by Edwards High Vacuum International
- Approvals
- CE, NRTLC
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.