EDWARDS E2M 0.7-28 Oil-Sealed Rotary Vane Vacuum Pumps

The EDWARDS E2M 0.7-28 oil-sealed rotary vane vacuum pumps are engineered to achieve exceptionally low ultimate pressures, delivering pumping speeds of up to 27.5 m³/h. Compact and fully self-contained, these vacuum pumps are the ideal solution for scientific applications, laboratories, research facilities, and light industrial processes.

The two-stage E2M series combines whisper-quiet operation, proven long-term reliability, and efficient vapor handling through the use of an integrated gas ballast valve. The product selection also includes the E1M18, the single-stage variant of the EM family, offered alongside the highly versatile E2M18 and E2M28 models. Additionally, E2M pumps are perfectly suited to serve as reliable backing pumps for turbomolecular systems.

Designed for convenience, their compact footprint, forced-air cooling, and intuitive features for oil level monitoring, filling, and draining ensure straightforward installation, seamless operation, and effortless maintenance.

Variants	Features
HC	Standard version lubricated with hydrocarbon oil
FX	Version prepared for use with PFPE fluid, available on selected models
Single-phase	Different supply voltages available depending on the model and market
Three-phase	Available on E1M18, E2M18 and E2M28 depending on configuration
IEC connector	Available on selected versions for easier electrical connection

Main Performance Data – EDWARDS E2M 0.7-28 Oil-Sealed Rotary Vane Vacuum Pumps

(indicative data, adaptable according to configuration)

Specifications	EDWARDS E2M 0.7-28 Oil-Sealed Rotary Vane Vacuum Pumps
Maximum pumping speed	From 0.75 to 27.5 m³/h at 50 Hz, depending on model
Ultimate pressure	Down to 0.01 mbar(g); down to 1 × 10⁻³ mbar depending on model
Technology	Oil-sealed rotary vane vacuum pump, single-stage or two-stage depending on model
Lubrication	ULTRAGRADE™ Performance 15 or 19 oil, depending on model
Cooling	Forced-air cooling
Inlet connection	From DN 10 to DN 25
Exhaust connection	From DN 11 to DN 15
Motor power	From 0.09 kW to 0.90 kW
Weight	From 10 kg to 44 kg
Power supply	50/60 Hz motor
Noise level at 50 Hz	From 43 to 57 dB(A)
Operating temperature	From 12 to 40 °C

Key Benefits of EDWARDS E2M 0.7-28 Oil-Sealed Rotary Vane Vacuum Pumps

High and stable vacuum performance: Achieves an ultimate pressure down to 1 × 10⁻³ mbar, depending on the model.
Wide pumping speed range: Delivers from 0.75 to 27.5 m³/h, allowing the pump to be precisely matched to your specific application requirements.
Whisper-quiet operation: Makes this pump series particularly suitable for research laboratories and noise-sensitive working environments.
Efficient vapor handling: Ensures optimal performance through a built-in gas ballast valve.
Compact, self-contained design: Simplifies footprint planning, straightforward installation, and seamless integration into existing systems.
Simplified maintenance: Features intuitive visual oil-level monitoring and convenient access for effortless oil filling and draining.
Exceptional versatility: Engineered for scientific, analytical, laboratory, and select light industrial applications.
Reliable backing vacuum solution: Ideally suited to operate perfectly alongside turbomolecular pumps.

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Typical Applications of the EDWARDS E2M 0.7-28 Oil-Sealed Rotary Vane Vacuum Pumps

This versatile pump range covers a broad spectrum of demanding scientific, analytical, and industrial applications:

Analytical instruments and mass spectrometry: Perfectly suited for integration into advanced GC-MS and LC-MS systems.
Laboratories and R&D facilities: Ideal for research environments where compact dimensions, ultra-low noise levels, and reliable vacuum performance are critical.
Helium leak detection: Seamlessly integrates into leak detection systems that require a highly dependable backing pump.
Turbomolecular backing: Specifically engineered to serve as robust primary or backing vacuum solutions for high-vacuum turbomolecular pumping systems.
Degassing, distillation, and filtration: Ensures highly efficient processing for specialized applications, including operations involving complex oils and epoxy resins.
Freeze-drying and vacuum drying: Leverages exceptional vapor-handling capabilities and an integrated gas ballast system, making selected models ideal for demanding drying processes.
Electron microscopy: Highly recommended for precise integration with scanning electron microscopes (SEM) and advanced SEM/FIB systems.

Why Choose GEFI for Your EDWARDS E2M 0.7-28 Vacuum Pump?

At GEFI, we apply our industrial vacuum expertise to help you select the EDWARDS oil-sealed rotary vane vacuum pump best suited to your application and required vacuum level. We provide:

Technical expertise in vacuum technologies and their applications, together with tailored support in selecting the appropriate model and pumping speed for your process.

Advice on vacuum level, vapour handling and pump operating conditions, as well as support in defining the appropriate configuration according to electrical supply requirements and installation constraints.

Support in selecting accessories and ancillary equipment required for installation. A single technical point of contact, from initial requirement definition through to equipment supply.

Looking for an EDWARDS E2M oil-sealed rotary vane vacuum pump or need technical advice? Contact the GEFI team to select the pump and configuration best suited to your application.

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EDWARDS E2M 0.7-28 Oil-Sealed Rotary Vane Vacuum Pumps