Product Description
Edwards nXDS20iR Dry Scroll Vacuum Pump
OEM part number: A73803983
Factory configuration: 100-127/200-240 V, 50/60 Hz, 1-phase, recirculation R version
Overview
Edwards nXDS pumps combine oil-free scroll pumping with intelligent wide-voltage control, quiet operation and a field-serviceable mechanism. Standard, corrosion-resistant C and recirculation R versions support different process requirements.
| Model | Part number | Variant | Purchase status |
|---|---|---|---|
| nXDS20iR | A73803983 | Recirculation R version | Call for pricing and availability |
Features
- Dry, oil-free vacuum path eliminates routine vacuum-pump-oil service.
- Air-cooled package for clean rough- and medium-vacuum applications.
- Serviceable scroll mechanism with model-specific tip-seal kits.
- Intelligent 100-127/200-240 V controller with local and remote operation.
- Quiet 52 dB(A) operation.
Technical Specifications
| Specification | Value |
|---|---|
| Peak pumping speed | 22.0 m³/h |
| Ultimate vacuum | 0.030 mbar |
| Motor power | 260 W |
| Supply | 100-127/200-240 V, 50/60 Hz, 1-phase |
| Inlet / outlet | DN 25 ISO-KF / DN 25 ISO-KF |
| Weight | 25.6 kg |
| Dimensions (L × W × H) | 432 × 282 × 302 mm |
| Noise level | 52 dB(A) |
| Variant | Recirculation R version |
Confirm voltage, frequency, variant and connection requirements against the Edwards part number before ordering.
Performance
Available nXDS Configurations
| Model / variant | Edwards part number | Factory configuration | Pricing |
|---|---|---|---|
| nXDS6i | A73501983 | 100-127/200-240 V, 50/60 Hz, 1-phase, standard | Call |
| nXDS6iC | A73502983 | 100-127/200-240 V, 50/60 Hz, 1-phase, corrosion-resistant C version | Call |
| nXDS6iR | A73503983 | 100-127/200-240 V, 50/60 Hz, 1-phase, recirculation R version | Call |
| nXDS10i | A73601983 | 100-127/200-240 V, 50/60 Hz, 1-phase, standard | Call |
| nXDS10iC | A73602983 | 100-127/200-240 V, 50/60 Hz, 1-phase, corrosion-resistant C version | Call |
| nXDS10iR | A73603983 | 100-127/200-240 V, 50/60 Hz, 1-phase, recirculation R version | Call |
| nXDS15i | A73701983 | 100-127/200-240 V, 50/60 Hz, 1-phase, standard | Call |
| nXDS15iC | A73702983 | 100-127/200-240 V, 50/60 Hz, 1-phase, corrosion-resistant C version | Call |
| nXDS15iR | A73703983 | 100-127/200-240 V, 50/60 Hz, 1-phase, recirculation R version | Call |
| nXDS20i | A73801983 | 100-127/200-240 V, 50/60 Hz, 1-phase, standard | Call |
| nXDS20iC | A73802983 | 100-127/200-240 V, 50/60 Hz, 1-phase, corrosion-resistant C version | Call |
| nXDS20iR | A73803983 | 100-127/200-240 V, 50/60 Hz, 1-phase, recirculation R version | Call |
Service Kits, Filters & Resources
| Service item | Recommended product or resource | Part number / notes |
|---|---|---|
| Tip-seal service kit | Edwards OEM nXDS tip-seal kit A73501801 | A73501801 |
| Inlet / outlet filter | XDS / nXDS NW25 inlet-outlet filter A50597805 | A50597805 |
| Resource Center | Edwards Scroll Pump Complete Resource Center | Repair kits, parts, maintenance guidance, manuals and technical resources. |
| Configuration assistance | Email Vacuum Pump Supply / Request Help | Send the pump model, part number, voltage and application details. |
Applications
Backing turbomolecular pumps, laboratory vacuum, mass spectrometry, research systems, coating, clean process vacuum, leak detection and OEM equipment. Confirm process compatibility for corrosive or condensable vapours.
Need configuration help?
We will verify the Edwards part number, voltage, variant, inlet and service accessories.
