Edwards · RV
Edwards RV8 — rotary vane, 6 m³/h
Original title: Edwards RV8 Dual-Stage Vacuum Pump
🟡 OK with refurb
Suitable for WAVE101/FD260; typical refurb needed before use.
Condition from photo
Exterior clean, no visible oil leaks. Nameplate legible. Age unknown from photos. Mounting frame intact.
Likely refurb / add-ons
- Oil change (mineral, ~0.5 L): €30
- Exhaust filter replacement: €80
- Gas-ballast service: €60
Watch out for
- Age and internal wear cannot be assessed from exterior photos alone.
- Caution label visible on pump; verify all safety markings before operation.
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 #800055021753
- Last verified
- Jul 3, 2026
Fits WAVE machines: WAVE101, FD260
Price history— Edwards RV
Median €1.430 · 1003 observations · €135–€162.750
Type plate (AI reading)
- Exact model
- RV8
- Volts
- 220-240 V (HIGH), 230-240 V (HIGH), 110 V (LOW), 115-120 V (
- Connection
- HIGH, HIGH, LOW, LOW
- Hz
- 50, 60, 50, 60
- P2(W)
- 450, 550, 450, 550
- HP
- 3/5, 3/4, 3/5, 3/4
- Amperage
- 3.4, 3.3, 6.6, 6.6
- Power Factor
- 0.81, 0.93, 0.83, 0.93
- Motor Type
- 1PH AC
- IP Rating
- IP44
- Thermal Protection
- Thermally Protected (S1)
- Approval
- UL1004, CSA, CE
- Oil Type
- TEFC NRTL/C
- Ambient Temperature
- 40°C
- Speed
- 1425/1725 RPM
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.