Edwards · E2M
Edwards E2M5 — two-stage rotary vane vacuum pump
Original title: Edwards 5 E2M5 zweistufige Hochvakuumpumpe
Market median (sold): €1.156 from 32 sales in this family
📍 USA
🟡 OK with refurb
Suitable for WAVE freeze dryers; typical refurbishment needed before deployment.
Condition from photo
Exterior shows age and dust accumulation; oil level unclear; hoses present but condition unknown; mounting frame intact.
Likely refurb / add-ons
- Oil change and filter service: €80–120
- Exhaust filter replacement: €60–80
- Soft-starter (optional, extends motor life): €280
Watch out for
- Power cord appears worn; electrical safety check required before operation
- No visible nameplate in photos; model identity relies on seller title only
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- Oil-sealed rotary vane
- Pumping speed
- ~18 m³/h
- Water-vapour tolerance
- ~120 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Source
- eBay
- Listing #
- eBay #236470109200
- Last verified
- Aug 11, 2026
Fits WAVE machines: FD260, FD440
Price history— Edwards E2M
Median €977 · 1285 observations · €130–€34.195
Recent sales (Edwards E2M)
- €930Aug 9, 2026EDWARDS E2M-18 VACUUM PUMP T267309
- €5.579Aug 9, 2026ROTARY VANE VACUUM PUMP EDWARDS E2M40
- €1.349Aug 9, 2026Edwards 28 E2M28 Rotary Vane Vacuum 208V Pump. Excellent Never put into service.
- €558Aug 8, 2026AS-IS! EDWARDS 2-STAGE ROTARY VANE VACUUM PUMP - #E2M-12
- €558Aug 8, 2026AS-IS! EDWARDS 2-STAGE ROTARY VANE VACUUM PUMP - #E2M-12
- €1.628Aug 7, 2026EDWARDS E2M28 ROTARY VACUUM PUMP A37319903
- €623Aug 7, 2026Edwards E2M28 Dual Stage Rotary Vane Vacuum Pump 220-240v oil warranty M28 28 qs
- €1.535Aug 7, 2026EDWARDS E2M40 Vacuum Pump
- €628Aug 7, 2026Edwards E2M28 Rotary Vane Vacuum Pump Dual Stage 100-105 / 200-210
- €837Aug 7, 2026Edwards E2M28 Two-Stage Rotary Vane Vacuum Pump - 220-240V - 0.75/0.90 kW
- €7.440Aug 7, 2026NEW EDWARDS E2M28 ROTARY VACUUM PUMP A373-33-940
- €4.370Aug 7, 2026NEW EDWARDS E2M28 ROTARY VACUUM PUMP A37319903 230–240 V single-phase
Source: eBay sold listings (Apify aggregation). Year inferred from listing title when present.
What to look for on this family
Industrial two-stage oil-sealed. Gas-ballast standard. Older but extremely reliable — look for original spec plate, motor type and recent service log.
Manufacturer datasheet — Edwards E2M
- Bauart
- Industrielle zweistufige ölgedichtete Drehschieberpumpe
- Saugvermögen (50 Hz)
- 18 / 28 / 40 / 80 / 160 / 275 m³/h
- Enddruck
- ≤ 7.5 × 10⁻⁴ mbar
- Wasserdampfverträglichkeit
- sehr hoch (mit Gasballast)
- Ölsorte
- Edwards Ultragrade 19/20
- Hersteller
- Edwards Vacuum
Curated from the manufacturer's official datasheet for this family / model. The specific pump may vary slightly by variant.