Edwards · RV
Edwards RV3 — two-stage rotary vane, 3 m³/h
Original title: Edwards RV3 two-stage rotary-vane vacuum pump
Market median (sold): €1.558 from 56 sales in this family
📍 USA
🟡 OK with refurb
Suitable for WAVE101; typical refurb needed before use.
Condition from photo
Exterior clean, blue filter head with yellow replacement label visible, mounted on white base with fan, hoses present, no obvious leaks or damage.
Likely refurb / add-ons
- Oil change and filter service (~€80)
- Exhaust filter replacement (~€80)
- Soft-starter or motor inspection (~€150–280)
Watch out for
- Filter replacement label present — service history unknown, internal condition c
- Price significantly below median (€372 vs €1,558) — verify pump operation and se
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- Oil-sealed rotary vane
- Pumping speed
- ~3 m³/h
- Water-vapour tolerance
- ~25 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Source
- eBay
- Listing #
- eBay #137683825483
- Last verified
- Sep 26, 2026
Fits WAVE machines: WAVE101
Price history— Edwards RV
Median €1.488 · 1609 observations · €135–€162.750
Recent sales (Edwards RV)
- €1.395Sep 22, 2026RV12 Edwards Two Stage Rotary Vane Vacuum Pump Assembly RV Series Tested Working
- €930Sep 22, 2026Edwards RV8 Two Stage Rotary Vane Vacuum Pump W/FILTER
- €818Sep 22, 2026THERMO SAVANT VLP200 ROTARY VANE DUAL STAGE LABORATORY VACUUM PUMP EDWARDS RV8
- €1.116Sep 22, 2026EDWARDS RV3 TWO STAGE ROTARY VANE VACUUM PUMP M6438
- €558Sep 22, 2026Edwards RV8 Laboratory Rotary Vane Dual Stage Vacuum Pump A654-01-903
- €3.255Sep 22, 2026Edwards A65301903 Vacuum Pump RV5 Rotary Vane 115V 240V Genuine NEW
- €1.749Sep 22, 2026Edwards RV12 Rotary Vane Vacuum Pump
- €1.674Sep 22, 2026Edwards RV3 Vacuum Pump
- €2.083Sep 22, 2026Edwards RV3 Vacuum Pump Medical Grade * WARRANTY * W/ EXTRAS, Lightly Used * SEE
- €2.162Sep 22, 2026Edwards Vacuum Pump RV12 | A655-01-903
- €2.046Sep 22, 2026EDWARDS RV3 TWO STAGE ROTARY VANE VACUUM PUMP M6437
- €1.208Sep 22, 2026Yr 2019EDWARDS RV3 DUAL STAGE VAC PUMP- 2019, REBUILT, 5MTOR/ MICRONS & W 12- M WARRNTY
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
Type plate (AI reading)
- Exact model
- RV3
- Manufacturer
- Parker Balston
- Model
- RV3
- Max. Pressure
- 45 PSIG (3.1 bar)
- Max. Inlet Temp.
- 120 °F (49 °C)
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.