Edwards nXDS15i Oil-Free Dry Scroll Vacuum Pump – 8.9 CFM (A73701983)
Edwards nXDS15i Oil-Free Dry Scroll Vacuum Pump – 8.9 CFM, 100-240V (A73701983)
The Edwards nXDS15i (part number A73701983) is a high-performance, oil-free dry scroll vacuum pump from the advanced nXDS series. Offering a pumping speed of 8.9 CFM (15.1 m³/h) at 60 Hz and an ultimate vacuum of 0.005 Torr (0.007 mbar), it delivers clean, reliable vacuum without the risk of oil contamination or backstreaming.
Designed as the next-generation replacement for the XDS series, the nXDS15i features hermetically sealed bearings, an integrated inverter drive, and intelligent controls for quiet, efficient operation with long service intervals.
Key Features & Benefits
- Completely oil-free dry scroll technology – no oil changes or disposal required
- Higher pumping speed than the nXDS10i for faster evacuation
- Very quiet operation at only 52 dB(A)
- Hermetically sealed for ultra-clean vacuum environment
- Excellent water vapor handling with gas ballast
- Long tip seal life – up to 5 years in many applications
- Low power consumption and compact footprint
- NW25 inlet and outlet flanges
Technical Specifications
- Pumping Speed (60 Hz): 8.9 CFM (15.1 m³/h)
- Ultimate Vacuum: 0.005 Torr (0.007 mbar)
- Noise Level: 52 dB(A)
- Power Supply: 100-127 / 200-240V, 1-phase, 50/60 Hz
- Weight: Approximately 26 kg (57 lbs)
- Inlet / Outlet: NW25 (KF25)
Ideal Applications
- Laboratory vacuum systems
- Mass spectrometry and analytical instruments
- Electron microscopy
- Vacuum ovens and freeze drying
- Backing for turbomolecular pumps
- General clean vacuum processes
The Edwards nXDS15i combines higher pumping capacity with the proven reliability, quiet operation, and oil-free performance that makes the nXDS series the preferred choice for modern laboratories and sensitive vacuum applications.
| Nominal rotational speed | 1800 rpm |
| Displacement | 17.1 m3h-1 / 10.1 ft3min-1 |
| Peak pumping speed | 15.1 m3h-1 / 8.9 ft3min-1 |
| Ultimate vacuum (total pressure) | 0.007 mbar / 0.005 Torr |
| Minimum standby rotational speed | 1200 rpm |
| Speed control resolution (percentage of full rotation speed) | 1% |
| Pumping speed at minimum rotational speed | 9.9 |
| Maximum continuous inlet pressure | 200 mbar |
| Motor power 1-ph | 300 W |
| Power connector 1-ph | IEC EN60320 C13 |
| Recommended fuse | 10A, 250Vac rms |
| Weight | 25.2 kg / 56 lb |
| Inlet flange | NW25 |
| Exhaust flange | NW25 |
| Noise level | 52 dB(A) |
| Vibration at inlet flange | < 4.5 mms-1 (rms) |
| Leak tightness (static) | < 1x10-6 mbar ls-1 |
| Operating temperature range | 10 to 40 °C / 41 to 104 °F |
Tip Seal Kit - Edwards nXDS 6i/ 10i / 15i / 20i
Edwards nXDS15i Oil-Free Dry Scroll Vacuum Pump – 8.9 CFM, 100-240V (A73701983)
The Edwards nXDS15i (part number A73701983) is a high-performance, oil-free dry scroll vacuum pump from the advanced nXDS series. Offering a pumping speed of 8.9 CFM (15.1 m³/h) at 60 Hz and an ultimate vacuum of 0.005 Torr (0.007 mbar), it delivers clean, reliable vacuum without the risk of oil contamination or backstreaming.
Designed as the next-generation replacement for the XDS series, the nXDS15i features hermetically sealed bearings, an integrated inverter drive, and intelligent controls for quiet, efficient operation with long service intervals.
Key Features & Benefits
- Completely oil-free dry scroll technology – no oil changes or disposal required
- Higher pumping speed than the nXDS10i for faster evacuation
- Very quiet operation at only 52 dB(A)
- Hermetically sealed for ultra-clean vacuum environment
- Excellent water vapor handling with gas ballast
- Long tip seal life – up to 5 years in many applications
- Low power consumption and compact footprint
- NW25 inlet and outlet flanges
Technical Specifications
- Pumping Speed (60 Hz): 8.9 CFM (15.1 m³/h)
- Ultimate Vacuum: 0.005 Torr (0.007 mbar)
- Noise Level: 52 dB(A)
- Power Supply: 100-127 / 200-240V, 1-phase, 50/60 Hz
- Weight: Approximately 26 kg (57 lbs)
- Inlet / Outlet: NW25 (KF25)
Ideal Applications
- Laboratory vacuum systems
- Mass spectrometry and analytical instruments
- Electron microscopy
- Vacuum ovens and freeze drying
- Backing for turbomolecular pumps
- General clean vacuum processes
The Edwards nXDS15i combines higher pumping capacity with the proven reliability, quiet operation, and oil-free performance that makes the nXDS series the preferred choice for modern laboratories and sensitive vacuum applications.
| Nominal rotational speed | 1800 rpm |
| Displacement | 17.1 m3h-1 / 10.1 ft3min-1 |
| Peak pumping speed | 15.1 m3h-1 / 8.9 ft3min-1 |
| Ultimate vacuum (total pressure) | 0.007 mbar / 0.005 Torr |
| Minimum standby rotational speed | 1200 rpm |
| Speed control resolution (percentage of full rotation speed) | 1% |
| Pumping speed at minimum rotational speed | 9.9 |
| Maximum continuous inlet pressure | 200 mbar |
| Motor power 1-ph | 300 W |
| Power connector 1-ph | IEC EN60320 C13 |
| Recommended fuse | 10A, 250Vac rms |
| Weight | 25.2 kg / 56 lb |
| Inlet flange | NW25 |
| Exhaust flange | NW25 |
| Noise level | 52 dB(A) |
| Vibration at inlet flange | < 4.5 mms-1 (rms) |
| Leak tightness (static) | < 1x10-6 mbar ls-1 |
| Operating temperature range | 10 to 40 °C / 41 to 104 °F |



