The Edwards nXDS15i is a dry scroll pump for laboratory vacuum, analytical equipment and suitable turbomolecular backing systems. Peak pumping speed is 15.1 m³/h, with an integrated controller and gas ballast for compatible vapour loads.
Edwards nXDS range manufacturer photograph; the selected model and supplied accessories are confirmed at quotation.
Part of the Edwards nXDS dry scroll vacuum pumps family. Compare the range and other model options.
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View quote listThe Edwards nXDS15i is a dry scroll pump for laboratory vacuum, analytical equipment and suitable turbomolecular backing systems. Peak pumping speed is 15.1 m³/h, with an integrated controller and gas ballast for compatible vapour loads.
| Specification | Details |
|---|---|
| Peak pumping speed | 15.1 m³/h |
| Ultimate pressure, gas ballast 0 | 0.007 mbar |
| Ultimate pressure, gas ballast 1 | 0.04 mbar |
| Maximum continuous inlet pressure | 200 mbar |
| Recommended chamber volume from atmosphere | 75 litres; manufacturer recommendation, not an absolute capacity limit |
| Electrical supply | Single-phase 100–127 V ±10% or 200–240 V ±10%, 50–60 Hz |
| Inlet / exhaust | NW25 / NW25 |
| Dimensions, L × W × H | 432 × 282 × 302 mm |
| Maximum mass | 25.2 kg |
| Ambient operation | 5–40 °C, indoor; argon duties below 25 °C |
| Equipment condition | New; configured by quotation |
Ultimate pressure is a manufacturer test value, not a guaranteed pressure at the chamber. Pipe conductance, gas load, temperature and condition affect installed performance.
| Specification | Details |
|---|---|
| A73701983 | Standard nXDS15i, integrated controller, gas ballast; wide-range single-phase input |
The nXDS15i permits continuous inlet pressure up to 200 mbar within the specified operating conditions. The recommended chamber volume describes pump-down from atmosphere. Larger volumes and extended high-pressure running require an application review because bearing life can be reduced. Size the connecting line and check the complete pumping-speed curve.
The integrated controller provides local start/stop and standby functions, parallel control and RS232/RS485 serial interfaces. Remote cables and external TIC/TAG system controls are separately specified. For UK use, select the 230 V supply arrangement and separately ordered 2 m UK mains lead A50505000. Follow the manual’s electrical protection and connector requirements.
The performance figures on this page describe the standard gas-ballasted model. Gas ballast improves suitable vapour handling while raising ultimate pressure. Chemically resistant C versions and R versions without gas ballast require separate selection; standard performance and compatibility must not be assumed for every process variant. Provide the gas composition, vapour load and cleaning agents for assessment.
Select inlet filtration, catchpots, exhaust treatment, isolation and control cables for the system. These are optional unless listed in the quotation. Dry compression avoids sealing oil in the vacuum space; isolated bearing lubricant and replaceable tip seals still require maintenance. Keep ventilation and service access clear.
For a high-vacuum system, compare Edwards nEXT turbomolecular pumps and check the required backing pressure and gas throughput together.
Source: A73501880_L, June 2026, pages 17–28 and 49–53; nXDS brochure 3601 0088 01. This model-level listing covers the documented choices; the exact order reference, included equipment, availability and lead time are confirmed with the quotation.
Explore the nXDS15i range and Edwards brand guide. Compare vacuum gauges and controllers, plan gauge calibration, or discuss servicing.
For nXDS15i, include working pressure, required flow or chamber volume, gas and vapour load, operating hours, electrical supply and connections. For a replacement, send the complete nameplate and serial number so the configuration can be checked.
| Manufacturer | EDWARDS |
|---|---|
| Equipment type | Dry Scroll Vacuum Pumps |
| Electrical supply | Single-phase 100–127 V ±10% or 200–240 V ±10%, 50–60 Hz |
| Peak pumping speed | 15.1 m³/h |
| Ultimate pressure, gas ballast 0 | 0.007 mbar |
| Ultimate pressure, gas ballast 1 | 0.04 mbar |
| Maximum continuous inlet pressure | 200 mbar |
| Recommended chamber volume from atmosphere | 75 litres; manufacturer recommendation, not an absolute capacity limit |
| Inlet / exhaust | NW25 / NW25 |
| Dimensions, L × W × H | 432 × 282 × 302 mm |
| Maximum mass | 25.2 kg |
| Ambient operation | 5–40 °C, indoor; argon duties below 25 °C |
| Equipment condition | New; configured by quotation |
Send the pump model and part number when asking about a replacement. Compatibility depends on the equipment and operating conditions.
Confirm the exact version, electrical supply and connections. Ask whether oil, filters, fittings, cables or controllers are included or separately specified.
Availability, lead time and the applicable warranty are confirmed for your quotation. A catalogue listing does not reserve stock.
What to check in your quotation · Delivery · Returns and faults
Edwards nXDS15i Dry Scroll Vacuum Pump
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Compare the stated conditions as well as the values. A missing specification is not a zero rating; confirm suitability with Girovac.
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