Product Description | 2
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2.1 Operating Principle
The machine works on the impulse principle, i.e. kinetic energy is transferred from the
impeller to the conveyed medium and then is converted into pressure.
The change in pressure is made without the use of any lubrication whatsoever.
NOTICE
Lubricating a dry running machine (process chamber).
Risk of damage to the machine!
• Do not lubricate the process chamber of the machine with oil or grease.
2.2 Application
The machine is intended for the suction and/or compression of air and other dry, non-
aggressive, non-toxic, non-flammable and non-explosive gases.
Conveying of other media leads to an increased thermal and/or mechanical load on the
machine and is permissible only after a consultation with Busch.
The machine is intended for the placement in a non-potentially explosive environment.
The machine is not capable of maintaining ultimate pressure. The minimum allowed ulti-
mate pressure is to be read from the nameplate of the machine. By means of process
control and/or vacuum relief valves it must be made sure that the minimum allowed ulti-
mate pressure will not be underrun.
Permitted environmental conditions, see Technical Data [►17].
2.3 Start Controls
The machine comes without start controls. The control of the machine is to be provided
in the course of installation.
2.4 Optional Accessories
2.4.1 Vacuum Regulating Valve
The vacuum regulating valve controls inlet pressure when the machine is used on va-
cuum duties.
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