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Edwards E2S Rotary Vane Pumps

Models: E2S45, E2S65, E2S85 | Manufacturer: Edwards

The Edwards E2S Series is a range of two-stage oil-sealed rotary vane vacuum pumps designed for medium vacuum applications. The range includes E2S45, E2S65, and E2S85 models, combining high pumping speed, vapour handling, and simplified operation. ACFM supplies these Edwards pumps for applications such as vacuum degassing and drying, heat treatment, vacuum insulation, leak testing, gas handling, research, and backing of high-vacuum pumps or systems.

Product Specifications
Models
E2S45, E2S65, E2S85
Max Displacement @ 50 Hz
47 to 87 m³/h
Pumping Speed @ 50 Hz
42 to 78 m³/h
Inlet Connection
ISO-F / NW40
Max Outlet Pressure
0.5 bar (g)
Cooling Type
Air Cooled
Recommended Oil
Ultragrade Performance 70
Weight Range
80 to 100 kg

Detailed Model Specifications

Specification E2S45 E2S65 E2S85
Max Displacement @ 50 Hz 47 m³/h 64 m³/h 87 m³/h
Max Displacement @ 60 Hz 56 m³/h 77 m³/h 105 m³/h
Pumping Speed @ 50 Hz 42 m³/h 57 m³/h 78 m³/h
Pumping Speed @ 60 Hz 50 m³/h 69 m³/h 94 m³/h
Max Water Vapour Tolerance 20 mbar 15 mbar 13 mbar
Water Vapour Cap @ 50 Hz 0.62 kg/h 0.66 kg/h 0.73 kg/h
Water Vapour Cap @ 60 Hz 0.74 kg/h 0.80 kg/h 0.87 kg/h
Weight 80 kg 90 kg 100 kg

E2S Rotary Vane Pump Features

Two-stage oil-sealed rotary vane design
High pumping speed for reduced cycle times
Hydro mode for improved vapour handling
Built-in oil filter
Enhanced cooling performance
High vapour tolerance
Simple mechanical design
Easy on-site cleaning and servicing
Over-temperature protection available
Low oil-level detection available
Protection against operator misuse
Low noise operation
Standard E2S/EH booster combinations available
Compact and mobile pre-assembled pumping systems available

Applications

Vacuum Degassing and Drying
Heat Treatments and Vacuum Ovens
Vacuum Insulation
Plasma Treatments
Leak Testing
Gas Production and Handling
Research and Development
Backing of High Vacuum Pumps or Systems

Applications may vary depending on the E2S model and system configuration.

E2S Pump and Booster Combinations

Standard combinations of E2S two-stage rotary vane pumps with Edwards EH mechanical boosters are available for higher-capacity requirements. The E2S45, E2S65, and E2S85 can be combined with EH250, EH500, and EH1200 boosters. The E2S85-EH1200 combination can provide up to 900 m³/h effective speed and reach an ultimate vacuum of 3 × 10⁻⁴ mbar.

Select Your E2S Configuration

ACFM can provide information on the E2S45, E2S65, and E2S85 models, including technical specifications, configurations, and available E2S/EH booster combinations.