Edwards · E2M
Edwards E2M28 — dual-stage rotary vane, 28 m³/h
Original title: Edwards E2M28 Dual Stage Rotary Vane Vacuum Pump Vakuumpumpe Service fällig
Market median (sold): €902 from 10 sales in this family
📍 Germany
🟢 Good fit
Excellent match for FD440 and FD440 MAX freeze dryers.
Condition from photo
Exterior clean, finned cooler intact, motor and pump housing show normal wear. No visible oil leaks or damage.
Likely refurb / add-ons
- Oil change and filter service (~€80)
- Exhaust filter replacement (~€80)
- Soft-starter module (~€280)
Watch out for
- Listing states 'Service fällig' (service due) — internal wear cannot be assessed
WAVE AI estimate from photo + specs only — not a substitute for our physical pre-purchase check.
Specifications
- Type
- Oil-sealed rotary vane
- Pumping speed
- ~28 m³/h
- Water-vapour tolerance
- ~180 g/h
- Ultimate vacuum
- ≤ 0.001 mbar
- Source
- eBay
- Listing #
- eBay #177098066627
- Last verified
- Jul 5, 2026
Fits WAVE machines: FD440, FD440 MAX
Price history— Edwards E2M
Median €899 · 1028 observations · €130–€34.195
Recent sales (Edwards E2M)
- €884May 22, 2026Edwards 30 E2M30 Rotary Vane Vacuum Pump 220V #18208
- €930May 22, 2026Edwards E2M28 E2 M28 28 Agilent Rotary Vane Vacuum Pump dual stage
- €920May 19, 2026EDWARDS E2M40 40 2 STAGE HIGH VACUUM PUMP "No Tariffs"
- €791May 15, 2026Edwards E2M28 Dual Stage Rotary Vane Vacuum Pump 220-240v oil warranty M28 28 qs
- €1.116May 7, 2026Edwards E2M28 Dual Stage Rotary Vane Vacuum Pump
- €530May 7, 2026Edwards E2M28 Rotary Vane Vacuum Pump – Dual Stage, High Capacity
- €10.695May 6, 2026Edwards E2M 80 Two Stage Rotary Vacuum Pump w/ Mechanical Booster Model: EH 1200
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.