
Edwards A73801983 nXDS20i Oil-Free Dry Scroll Vacuum Pump
Also written as: A738 01 983 · nXDS20i · A738-01-983
Key specifications
From our own order and quotation records. Orders counted only when paid, shipped or completed — quotations are counted separately and never as orders.
Description
A73801983 — nXDS20i Oil-Free Dry Scroll Vacuum Pump,. Key specifications — Rated speed: 1800 rpm; Displacement: 28.0 m³/h; Peak pumping speed: 22.0 m³/h; Ultimate vacuum (total pressure): 0.030 mbar; Min. standby rotational speed: 1200 rpm.
Technical data
| Manufacturer model designation | nXDS20i |
|---|---|
| Rated speed | 1800 rpm |
| Displacement | 28.0 m³/h (16.5 CFM) |
| Peak pumping speed | 22.0 m³/h (12.9 CFM) |
| Ultimate vacuum (total pressure) | 0.030 mbar (0.023 Torr) |
| Min. standby rotational speed | 1200 rpm |
| Power supply, low voltage range | 100-127 V |
| Power supply, high voltage range | 200-240 V |
| Speed control resolution | 1 % |
| Motor power | 660 W |
| Power connector | IEC EN60320 C13 |
| Inlet connection | NW25 |
| Outlet connection | NW25 |
| Noise level at ultimate pressure | 52 dB(A) |
| Noise level with acoustic enclosure | 47 dB(A) |
| Inlet flange vibration | < 4.5 mms-1 (rms) |
| Static leak rate | < 1 x 10-6 mbar ls-1 |
| Operating temperature range | 10 to 40 °C |
Need a confirmed configuration?
Share your application, target vacuum and voltage. We will match the pump or part and return a formal quote.
We build an equivalent — same duty, far lower cost
Taixing is a vacuum equipment manufacturer with its own 20,000 m2 plant and seventeen years in the industry. We build dry scroll pumps to the same duty as this imported unit, at factory-direct cost. Send your process conditions (gas, pressure range, flow) and we will match a model and quote.
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