
Edwards · RV
Edwards RV12 — rotary vane, 12 m³/h
Original title: EDWARDS RV12 Two Stage Rotary Vane Vacuum Pump / A655-01-903 - RV-Series Used
🟡 OK with refurb
Suitable for FD260; typical refurbishment needed before deployment.
Condition from photo
Exterior clean, no visible oil leaks. Motor housing and pump body intact. Nameplate legible. Mounting frame present.
Likely refurb / add-ons
- Oil change and filter service — €80
- Gas-ballast service and seals inspection — €60
- Soft-starter (optional, extends motor life) — €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
- ~12 m³/h
- Water-vapour tolerance
- ~80 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Year
- 1993 (per nameplate)
- Source
- eBay
- Listing #
- eBay #257445980791
- Last verified
- Jul 6, 2026
Fits WAVE machines: FD260
Price history— Edwards RV
Median €1.417 · 857 observations · €135–€162.750
Type plate (AI reading)
- Exact model
- RV12 (Leroy Somer motor, IEC34-1)
- Serial
- A0710027
- Year (plate)
- 1993
- Motor Type
- LS71
- Electrical (50 Hz)
- 230 V, 50 Hz, 1440 RPM, 0.25 kW, 1.5 A
- Electrical (60 Hz)
- 230 V, 60 Hz, 1620 RPM, 0.35 kW, 1.5 A
- Electrical (alternate 50 Hz)
- 380 V, 50 Hz, 1440 RPM, 0.25 kW, 0.5 A
- Electrical (alternate 60 Hz)
- 380 V, 60 Hz, 1620 RPM, 0.35 kW, 0.5 A
- Approvals
- IEC34-1, UL 1004, CSA, NRTL/C
- Manufacturer
- Leroy Somer
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.