Edwards · RV
Edwards RV8 — rotary vane, 6 m³/h
Original title: RV8 [Operation Tested] RV Rotary Vacuum Pump EDWARDS
📍 Japan
🟢 Good fit
Excellent match for WAVE101 and FD260 freeze dryers.
Condition from photo
Exterior clean, no visible oil leaks, labels intact, motor housing and pump body in good cosmetic condition.
Likely refurb / add-ons
- Oil change and 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 #365688648176
- Last verified
- Jul 5, 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
- 037648335
- Code No.
- A654-01-904
- Weight
- 27 kg
- Manufacturer
- Edwards High Vacuum International (part of B.O.C. Ltd), Craw
- Approvals
- CE, CSA, NRTL/C
- Certification
- L R 105041
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.