Ultimate Vacuum
1×10-3 mbar
Inlet Connection
NW25
Displacement
25.0 m3h-1 / 14.7 ft3min-1
Features
- High ultimate vacuum and rapid pumping speed ensure efficient operation across a wide range of laboratory and industrial applications
- Quiet operation provides a comfortable working environment, reducing noise in sensitive areas
- Freestanding design driven by a flexible coupling with either a single-phase or three-phase (four pole) motor
- Achieves excellent vacuum levels, including 1 x 10⁻³ mbar without gas purge and 1.5 x 10⁻¹ mbar with gas purge
- Equipped with NW25 inlet connection and a removable 15 mm nozzle outlet, allowing flexible integration into existing systems
- Operates efficiently within a temperature range of 13-40°C, accommodating different environmental conditions
- Facilitates easy oil changes with a maximum oil capacity of 1.05 liters and a minimum capacity of 0.75 liters
- Ideal for use with analytical instruments, leak detectors, helium research, and for backing turbomolecular pumps, showcasing its versatility
Edwards E2M18 Vacuum Pump
The EM range of oil‑sealed rotary pumps – renowned for their high ultimate vacuum, rapid pumping speed, quiet operation and ability to handle vapour – have become the industry standard for laboratory and light industrial applications. The pump is a freestanding unit with the drive provided through a flexible coupling by either a single‑phase or three‑phase (four pole) motor. If you require a different voltage or model, please inquire with our customer service team.
Click Here to View Product Video
INCLUDED:
The Edwards E2M18 Vacuum Pumpincludes:
- 1 Liter of Edwards Ultragrade 19 Oil
- Power Cord
- Manufacturer’s Documentation
- Operator’s Manual
- 1 Year Manufacturer’s Warranty
Edwards E2M18 Vacuum Pump Technical Specifications
| Displacement (50Hz) | 20.5 m3h-1 / |
| Displacement (60Hz) | 25.0 m3h-1 / |
| Speed (Pneurop 6602) 50 Hz | 17.0 m3h-1 / |
| Speed (Pneurop 6602) 60Hz | 20.4 m3h-1 / |
| Ultimate vacuum (total pressure) | |
| without gas purge | 1 x 10-3 mbar / |
| with gas purge | 1.5 x 10-1 mbar / |
| with Fomblin® | 1 x 10-2 mbar / |
| Inlet connection | NW25 |
| Outlet connection** | Nozzle 15 mm external Ø removable from 3/4 in BSP tapped hole |
| Max permitted pressure at outlet | 0.5 bar gauge / |
| 7 psig | |
| Max inlet pressure | 20 mbar / |
| for water vapour | 15 Torr |
| Max water vapour pumping rate | 0.3 kg h-1 |
| Operating temp range | 13-40°C |
| Nominal Rotation speed 50/60Hz | 1440/1720 rpm |
| Power connector 1-ph* | IEC EN60320 C19 |
| Motor power 50 Hz | 0.55 kW |
| Motor power 60 Hz | 0.75 kW |
| Weight | 39 kg / 86 lbs |
| Noise @ 50Hz | 57 dB(A) |
| Oil capacity – max | 1.05 litre |
| Oil capacity – min | 0.75 litre |
| Recommended oil | Ultragrade 19 |
| Electrical Requirements | 110/240V, 50/60Hz, 1Ph |
Comparison of Models
|
Specifications |
E1M18 |
E2M0.7 |
E2M1.5 (100-120V) |
E2M1.5 (230V) |
E2M18 |
E2M18FX 115/230V |
E2M28 |
|
Displacement 50Hz (m3h-1 / ft3min-1) |
20.5 / 12.1 |
0.9 / 0.5 |
1.8 / 1 |
1.8 / 1 |
20.5 / 12.1 |
20.5 / 12.1 |
32.2 / 19 |
|
Speed 50Hz (Pneurop 6602) (m3h-1 / ft3min-1) |
17.0 / 10 |
0.75 / 0.4 |
1.6 / 0.8 |
1.6 / 0.8 |
17.0 / 10 |
17.0 / 10 |
27.5 / 16.2 |
|
Ultimate Vacuum (mbar / Torr) without gas purge |
3 x 10-2 / 2.2 x 10-2 |
3.0 x 10-3 / 2.3 x 10-3 |
3 x 10-3 / 2.3 x 10-3 |
3 x 10-3 / 2.3 x 10-3 |
1 x 10-3 / 7.4 x 10-4 |
1 x 10-3 / 7.4 x 10-4 |
1 x 10-3 / 7.5 x 10-4 |
|
Inlet Connection |
NW25 |
NW10 flange |
NW10 flange |
NW10 flange |
NW25 |
NW25 |
NW25 flange |
|
Weight (kg / lbs) |
37 / 82 |
10 / 22 |
10 / 22 |
10 / 22 |
39 / 86 |
39 / 86 |
44 / 97 |
|
Noise Level @ 50Hz (dB(A)) |
57 |
43 |
54 |
54 |
57 |
57 |
57 |
|
Electrical Requirements |
120V, 50-60 Hz |
100-120V, 50/60Hz |
100-120V, 50/60Hz |
200-230V, 50/60Hz |
120V, 50-60 Hz |
115/230V |
100-120V, 50/60Hz |








