E2M 40-275 Rotary Vane

Primary vacuum

E2M series pumps are rugged, mechanical oil-sealed rotary vane vacuum pumps with a well proven robust design. They feature advanced lubrication circuits and come with tough accessories to suit almost every application need.

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Exceptional reliability

Proven in a range of industrial and laboratory applications

0.001 mbar

Single and two stage design options

Gas-Ballast valve

Large vapour handling capacity

< 43 dB(A)

Quiet operation on smaller sizes

Reliable design and technology

Proven design for over 30 years in the market. Built-in oil filtration with disposable oil filter and forced oil lubrication to ensure efficient and effortless operation of the pump mechanism at any inlet pressure.

ATEX versions for explosion-proof compliance

E2M Ex Series to pump or operate in environments where a potentially explosive atmosphere can be present. Edwards can offer a wide range of products for use in and with explosive atmospheres. They are certified for ATEX and other applicable global standards.

Get the right series for your need

HC Series with hydrocarbon oil for most of the applications, FX Series for pumping rich-oxygen gas mixtures (PFPE prepared) and AZ Series for applications with chemically active compounds (Azide compatible).

E2M with EH booster combination

Rugged, mechanical oil-sealed rotary vane vacuum pumps with a proven robust design

Compact and quiet, they feature advanced lubrication circuits, high reliability, and accessories to suit your specific application needs.

Technical Specifications

	Units	E2M 40	E2M 80	E2M 175	E2M 275
Max displacement (50Hz)	m³h^-1	42.5	80	175	292
Max displacement (60Hz)	m³h^-1	50.5	96	214	350
Pumping speed (50 Hz)	m³h^-1	37	74	160	170/100
Pumping speed (60Hz)	m³h^-1	44	90	196	306
Ultimate total pressure without gas ballast	mbar	3.0E-03
Ultimate vacuum with gas ballast	mbar	5.0E-03
Inlet connection	ISO-F / NW	40	40	63	63
Outlet connection	NW	25	25	40	40
Max permitted outlet pressure	bar (g)	0.5
Max water vapour tolerance	mbar	7	5	4 (20*)	2 (12*)
Max water vapour capacity	kgh^-1	0.2	0.3	2.4	2.5
Maximum gas ballast flow	m³h^-1	1.7	1.4	3	3
Dimensions (LxWxH)	mm	780x240x395	889x266x429	1055x388x533	1165x388x533
Weight approximate	Kg	75	104	198	216
Motor protection rating	IP	55
Motor rated power (50Hz)	kW	1.1	2.2	5.5	7.5
Motor rated power (60Hz)	kW	1.5	3	6.5	8.5
Noise level (50Hz)	dB(A)	65		75
Oil refill capacity (Max)	litre	2.2/4	4/6.3	16/25	18/28
Recommended oil	Ultragrade 70
* with thermostatic water flow valve

Applications

Pharma freeze-drying
Coating
Plasma treatments (including oxygen-rich plasma with FX Series)
Heat pipes dissipation
Heat treatments
Chemical Process Industry (distillation, evaporation, mixing, filtration with Ex Series)

Components

FR