11. PFPE-prepared EM pumps
If a PFPE-prepared EM pump has been ordered, the pump will be supplied prepared for
use with the manufacturers PFPE mechanical pump oils, such as Fomblin YVAC 06/6 and
Krytox 1506.
PFPE-prepared EM pumps are suitable for pumping high concentraons of oxygen.
We recommend referring to publicaon P40040100 (Vacuum pump and Vacuum System
Safety) before installing and using a PFPE-prepared EM pump.
11.1 Installaon
CAUTION:
Never use hydrocarbon lubricants in a PFPE-prepared pump.
Installaon of a PFPE-prepared EM pump is as specied in Installaon on page 19, but
take note of the cauon above.
11.2 Operaon
WARNING:
PFPE-prepared EM pumps are suitable for pumping high concentraons of oxygen,
but We recommend that a PFPE-prepared EM pump is not used for the pumping of
hazardous materials.
Operaon of a PFPE-prepared EM pump is as specied in Operaon on page 31, but take
note of the warning above.
11.3 Maintenance
WARNING:
Obey the safety instrucons given below and take note of appropriate precauons.
Failure to do so can cause injury to people.
▪
Take addional care if it is suspected that the pump (and hence the PFPE oil) has
overheated.
▪
Do not touch or inhale the thermal breakdown products of PFPE oil, which may be
present, if the pump has been heated to 260 °C and above. PFPE oils are safe in
normal use but can decompose into very dangerous substances if they are heated
to 260 °C and above. The pump may have overheated if it was misused, if it
malfunconed or if it was in a re. Safety Data Sheets for PFPE oils used in the
pump are available on request: contact us or the supplier.
Fomblin oil has dierent properes from other pump oils, therefore:
Page 49
A34310880_T - PFPE-prepared EM pumps
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