Pfpe-Prepared Rv Pumps; Summary; Installation; Operation - Edwards RV3 Instruction Manual

8

PFPE-prepared RV pumps

8.1

Summary

If you have ordered a PFPE-prepared RV pump, the pump will be supplied prepared for use with Edwards PFPE
mechanical pump oils, such as Fomblin YVAC 06/6 and Krytox 1506.
PFPE-prepared RV pumps are suitable for pumping high concentrations of oxygen.
We recommend that you refer to Edwards publication P300–20–000 (Vacuum pump and Vacuum System Safety) before
you install and use a PFPE-prepared RV pump.
8.2

Installation

Never use hydrocarbon lubricants in a PFPE-prepared pump.
When you fill the RV pump with oil (as described in
not use a hydrocarbon oil.
8.3

Operation

PFPE-prepared RV pumps are suitable for pumping high concentrations of oxygen, but we
recommend that you do not use a PFPE-prepared RV pump for the pumping of hazardous materials.
Operation of a PFPE-prepared RV pump is as specified in
8.4

Maintenance

Obey the safety instructions given below and take note of appropriate precautions. If you do not,
you can cause injury to people.
Take additional care if you suspect 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
malfunctioned, or if it was in a fire. Material Safety Data Sheets for PFPE oils used in the pump are available
on request: contact your supplier or Edwards.
Fomblin oil has different properties from other pump oils, therefore:
If you fill your PFPE-prepared RV pump with Fomblin oil, we recommend that you regularly check for oil
leaks, particularly around the shaft seals.
If you detect an oil leak, contact your supplier or Edwards for advice.
© Edwards Limited 2007. All rights reserved.
Edwards and the Edwards logo are trade marks of Edwards Limited.
CAUTION
Section 3.5), you must use a suitable Edwards PFPE oil. You must
WARNING
Section 4, but take note of the warning above.
WARNING
A652–01–880 Issue S
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