3.2 Conforming Use
The LEYVAC dry pumps have been developed to meet the demanding
requirements for process pumping solutions in the Coating, Flat panel,
Process and Solar industries.
Basically, all LEYVAC pumps are leaktight and may for this reason be utilised
for pumping toxic and potentially flammable gases outside their ignition
range. For such applications, note the safety information given in Section 0.4.
When using the pumps in connection with oxidising or corrosive gases,
check media compatibility first. Media compatibility and the therefrom result-
ing hazards of each substance used and also of each substance mixture
need to be reassessed on a case-by-case basis.
When planning to pump hazardous substances always consult Leybold first.
3.2.1 Non-conforming Use
Non-conforming use for the pump are among others:
■
Operation with limit parameters which are not programmed by Leybold,
particularly the maximum speed.
■
Pumping of gases and vapours for which the materials of the pump are not
suited, consult Leybold. For a list of materials in contact with the process
gases, see Section 1.3 Technical Data.
■
Pumping of substances and mixtures (gases, liquids and solids) which are
rated as being explosive.
■
Pumping of condensable vapours without adequately controlling the tem-
perature of the pump. Upon compression in the pump, these vapours may
condense or form deposits, consult Leybold.
Fig. 3.2 Oil Level Indicators Low Pressure Side
High Oil
Level
Low Oil
Level
High Oil Level
Low Oil Level
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