Edwards · RV
Edwards RV12 — two-stage rotary vane, 12 m³/h
Original title: Edwards RV12 Vakuumpumpe 2 Stufen Drehschieber ATEX II 3GD T4 x 230V
📍 USA
🟡 OK with refurb
Suitable for FD260; typical refurbishment needed before deployment.
Condition from photo
Exterior shows dust and minor soiling; no visible oil leaks or damage. Mounting frame intact. Labels legible.
Likely refurb / add-ons
- Oil change and filter service (~€80)
- Gas-ballast service (~€60)
- Soft-starter module (~€280)
Watch out for
- ATEX certification (II 3 GD T4 x) limits use to hazardous-area applications only
- Age and storage history unknown; internal wear cannot be assessed from photos.
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
- Source
- eBay
- Listing #
- eBay #397829147515
- Last verified
- Jul 5, 2026
Fits WAVE machines: FD260
Price history— Edwards RV
Median €1.417 · 850 observations · €135–€162.750
Type plate (AI reading)
- Exact model
- RV12
- Manufacturer
- Edwards
- Type
- RV12
- Certification
- II 3 GD T4 x
- Atmosphere
- Internal Atmospheres Only
- Electrical Supply
- 230 V 50/60 Hz
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.