Edwards · E2M
Edwards E2M8 — two-stage rotary vane, 1/2 HP
Original title: EDWARDS E2M8 2 Stufen Hochvakuumpumpumpe mit Franklin Electric 1/2 PS Motor funktionstüchtig
Market median (sold): €1.156 from 32 sales in this family
📍 USA
🟢 Good fit
Solid mid-range pump; well-suited for WAVE freeze dryers with typical refurbishment.
Condition from photo
Exterior clean, minimal dust; motor label legible; no visible oil leaks or damage; mounted on frame with hoses attached.
Likely refurb / add-ons
- Oil change & filter service (€80–120)
- Exhaust filter replacement (€60–80)
- Soft-starter or VFD integration (€280–400)
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 #157955810172
- Last verified
- Jul 30, 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.
Type plate (AI reading)
- Exact model
- 1102180403
- Serial
- K83
- Model
- 1102180403
- Power
- 1/2 HP
- Speed
- 1725/1425 rpm
- Frequency
- 60/50 Hz
- Service Factor
- 1.25
- Frame
- 56CZ
- Voltage
- 115/230 V
- Insulation Class
- B
- Ambient Temperature
- max. 40 °C
- Temperature Rise
- °C
- Code
- K83
- Type
- U Thermally Protected
- Approval
- E49787
Auto-extracted from one of the listing photos. Verify on the real unit before purchase.
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.