Edwards E1M18 Vacuum Pump is a high-performance, oil-sealed rotary vane pump designed to deliver exceptional vacuum performance for laboratory and industrial applications. Renowned for its robust construction, quiet operation, and rapid pumping capabilities, this pump is the industry standard for demanding processes.
Key Features:
- Ultimate Vacuum: < 3 x 10-2 mbar
- Displacement: 25.0 m³/h (14.7 ft³/min) at 60Hz
- Inlet Connection: NW25
- High ultimate vacuum and fast pumping speed for broad application use
- Quiet operation at only 57 dB(A) ensures a more comfortable working environment
- Pressurized oil lubrication system protects pump shaft bearings and rotor sealing faces
- Oil sight-glass for quick level checks and convenient oil drain for easy maintenance
- Compact, freestanding design suitable for bench-top or floor use without additional supports
- Ideal for analytical instruments, leak detectors, helium applications, and as a backing pump for turbomolecular systems
Included Items
- 1 Liter Ultragrade 19 Oil
- O ring and centering ring
- Two Allen keys
- Spare seals for oil drain and filter plugs
- Operator’s Manual
- Manufacturer’s Documentation
- 1-Year Manufacturer’s Warranty
Specifications
| Displacement (50 Hz) | 20.5 m³/h / 12.1 ft³/min |
| Displacement (60 Hz) | 25.0 m³/h / 14.7 ft³/min |
| Pumping Speed (50 Hz, Pneurop) | 17.0 m³/h / 10 ft³/min |
| Pumping Speed (60 Hz, Pneurop) | 20.4 m³/h / 12.1 ft³/min |
| Ultimate Vacuum (no purge) | 3 x 10-2 mbar / 2.2 x 10-2 Torr |
| Ultimate Vacuum (with purge) | 6.5 x 10-1 mbar / 4.8 x 10-1 Torr |
| Ultimate Vacuum (Fomblin®) | 3 x 10-1 mbar / 2.56 x 10-2 Torr |
| Inlet Connection | NW25 |
| Outlet Connection | Nozzle 15 mm Ø (removable from 3/4" BSP tap) |
| Max Outlet Pressure | 0.5 bar / 7 psig |
| Max Inlet Pressure | 50 mbar / 38 Torr (for water vapor) |
| Max Water Vapor Pumping Rate | 0.65 kg/h |
| Operating Temperature | 13–40°C |
| Nominal Speed | 1440/1720 rpm (50/60 Hz) |
| Motor Power | 0.55 kW (50 Hz), 0.75 kW (60 Hz) |
| Noise Level | 57 dB(A) |
| Oil Capacity | 0.9–1.4 liters (Ultragrade 19) |
| Weight | 37 kg / 82 lbs |
| Electrical Requirements | 100-120V, 50/60 Hz, 1 Ph |