Edwards · E2M
Edwards E2M8 — rotary vane, 1/2 HP, 115/230 V
Original title: Edwards E2M8 Hochvakuumpumpe 1/2 PS 115/230 Volt
Market median (sold): €1.156 from 32 sales in this family
📍 USA
🟢 Good fit
Suitable for WAVE freeze dryers; robust rotary-vane design, fair price.
Condition from photo
Exterior shows dust and age patina; motor label legible; no visible oil leaks or damage.
Likely refurb / add-ons
- Oil change and filter service (~€80)
- Exhaust filter replacement (~€80)
- Soft-starter module (~€280)
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 #256542903797
- Last verified
- Jul 22, 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
- MOD 1102180403
- Model
- MOD 1102180403
- Horsepower
- HP 1/2
- Phase
- PH 1
- Speed
- RPM 1725/1425
- Frequency
- HZ 60/50
- Insulation Class
- INS B
- Service Factor
- SF 1.25
- Frame
- FR 56CZ
- Voltage
- V 115/230
- Amperage
- AMP 40 °C
- Full Load Amperage
- FLA 6.8/3.4–8/4
- Service Factor Amperage
- SFA
- Code
- CODE L
- Thermal Protection
- TYPE U THERMALLY PROTECTED
- Category
- CAT CONT. DP
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.