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Edwards nES Series Single Stage Rotary Vane Pump

Edwards nES Series Single Stage Rotary Vane Pump

Models: nES40 – nES750 | Manufacturer: Edwards

The Edwards nES Series Single-Stage Rotary Vane Pump combines high pumping speeds with stable vacuum performance at low pressure. Available through ACFM, an official Edwards vacuum pump supplier, the range features an optimized pumping mechanism, efficient cooling, oil management, gas ballast, and integrated motor configurations for applications including coating, drying, heat treatment, degassing, and leak detection. The range covers pumping speeds from 44 to 1,730 m³/h at 50 Hz, depending on the model.

Product Specifications
Models
nES40, nES65, nES100, nES220, nES300, nES300S, nES630, nES750
Max Displacement @ 50 Hz
44.0 to 840 m³/h
Pumping Speed @ 50 Hz
38.5 to 755 m³/h
Ultimate Vacuum (No Ballast)
0.5 mbar (nES40–100) / 0.08 mbar (nES220–750)
Max Outlet Pressure
1.15 bar (abs)
Motor Protection
IP55
Recommended Oil
ULTRAGRADE Performance 70 / Extend 110
Connections
ISO and G Connections

nES Single-Stage Design and Features

Optimized pumping mechanism provides stable vacuum performance without pressure fluctuation
High pumping speed is maintained at low pressure
Optimized oil return and separation system helps minimize oil loss
Gas ballast mechanism supports handling of condensable vapors
Efficient cooling helps maintain lower operating temperatures
Integrated motor creates a compact pump arrangement
Efficient motors meet current efficiency standards
ISO and G connections provide installation flexibility
Integrated mist filters help reduce emissions
Low noise and vibration support quieter operation
Simplified maintenance helps reduce service requirements
Efficient oil distribution system supports pump operation
ULTRAGRADE Performance 70 oil available for pumping applications
ULTRAGRADE Endurance Extend 110 oil available for extended service intervals
Bare-shaft versions available from 40 to 300 m³/h with IEC or NEMA motor flange options

nES Single-Stage Applications

Coating
Heat Treatment
Drying
E-Beam & Plasma Welding
Plasma Surface Treatment
Oil & Resin Degassing
Biogas Treatment
Rubber, Silicone & Composite Processing
Leak Detection
Vacuum Forming
Industrial Gas Production
Vacuum Insulated Panels & Glass

nES Pump and Booster Combinations

The nES Series can be combined with Edwards EH mechanical boosters to increase pumping speed and improve vacuum performance. These combinations are available as frame-mounted or direct-mounted systems, while fitting kits can also be used for on-site assembly.

Talk to ACFM Team About nES

ACFM can provide information on the Edwards nES Series Single-Stage Rotary Vane Pump and available configurations for your vacuum system.