Elmo Rietschle V-VGC 4/6 - Manual (Page 5)

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Foreword
1.6 Symbols and meaning
Symbol Explanation
Condition, pre-requisite
#### Instructions, action
a), b),... Instructions in several steps
Results
[-> 14] Cross reference with page number
Information, note
Safety symbol
Warns of potential risk of injury
Obey all the safety instructions with this symbol in order to avoid injury
and death.
1.7 Technical terms and meaning
Term Explanation
Machines Pump and motor combination ready to be connected
Motor Pump drive motor
Vacuum pump Machine to create a vacuum
Rotary vane Machine’s design or active principle
Pumping capacity
Vacuum pump volume fl ow related to the condition in the suction con-
nection
Final pressure (abs.) The maximum vacuum that a pump reaches when the suction opening is
closed. Given as absolute pressure.
Permanent vacuum The vacuum or the suction range at which the pump operates perma-
nently.
The permanent vacuum or intake pressure is ≥ than the fi nal vacuum and
< than the atmospheric pressure.
Noise emission
The noise emitted at a specifi c loading given as a fi gure, sound pressure
level dB(A) as per EN ISO 3744..
1.8 Copyright
Passing on or copying this document, using and
providing information on its contents are prohibited
unless expressly permitted.