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Spare parts
11 Spare parts
11.1 Spare parts packages
The spare parts packages listed here are only applicable for standard models.
Please state all information on the rating plate when ordering spare parts. Other spare
parts than those described in this manual must not be used without the agreement of
Pfeiffer Vacuum.
Set of seals
The set of seals contains all seals including all O-rings of the assembly groups and the
subassemblies.
Maintenance kit
The pack contains the O-rings of the operating fluid filler and drain screw for changing
the operating fluid. Also the radial shaft seal ring(s) and the O-ring for the casing after
cleaning the operating fluid sump is included.
Set of vanes
The pack contains the vanes of the pump stages and the vane springs.
Overhaul kit
The pack contains all wearing parts of the pump to replace the following parts after dis-
mantling the whole pump:
●
Set of seals
●
Wearing parts of the pumping system
●
Wearing parts of the vacuum safety valve
●
Wearing parts of the gas ballast valve.
Set of vacuum safety valve
The pack contains the wearing parts of the vacuum safety valve. Also the O-rings be-
tween the valve housing and the pumping system and the O-ring of the casing are in-
cluded.
Set of discharge valves
The pack contains the wearing parts of the discharge valves. Also the wearing parts of
the exhaust valve and the O-ring of the casing are included.
Coupling kit
The pack contains the coupling halfs, the can and the radial shaft seal rings.
Standard
pump type
Pump
type
Set of seals
Set of vanes Maintenance
kit
Overhaul kit
Set of vacu-
um safety
valves
Discharge
valves
Coupling kit
PK D31 707 ...
PK D31 712
UNO 2.5
PK E00 002 -T PK E08 003 -T PK E01 004 -T PK E02 005 -T PK E04 001 -T PK E05 001 -T PK E06 001 -T
PK D41 707 ...
PK D41 712
DUO 2.5
PK E00 002 -T PK E08 014 -T PK E01 004 -T PK E02 008 -T PK E04 001 -T PK E05 001 -T PK E06 001 -T
PK D31 807 ...
PK D31 812
UNO 5
PK E00 002 -T PK E08 004 -T PK E01 004 -T PK E02 026 -T PK E04 007 -T PK E05 010 -T PK E06 001 -T
