A364-04-880 Issue A
Page 2 © Edwards Limited 2014. All rights reserved.
Edwards and the Edwards logo are trademarks of Edwards Limited.
Introduction
Figure 1 - The rotary vacuum pump (E2M40 shown)
1.2 Description
Note: The following section refers to Figure 1 unless stated otherwise.
The E2M40 and E2M80 pumps are two-stage oil-sealed, high-vacuum pumps designed for reliable, long-term operation
in both laboratory and industrial environments. A four-pole three-phase motor provides direct-drive through a
flexible coupling. The pumps are free-standing mounted on steel runners.
These pumps are not suitable for use with Hazardous substances. These would include:
Pyrophoric gases.
Oxygen >25% unless filled with PFPE oil.
Chemically Active e.g. Azide forming compounds
Corrosive gases.
Flammable mixtures.
1. Disposable oil-filter
2. Oil return, from external oil mist filter
3. Lifting-eyes
4. Inlet-port
5. Outlet-port
6. Oil filler-plug
7. Oil-level sight-glass
8. Oil drain-tap
9. Connection for oil pressure gauge accessory
10. Motor terminal-box
11. Gas-ballast control inlet and gas-ballast control
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