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ALFA LAVAL UNIQUE MIXPROOF TANK OUTLET VALVE INSTRUCTION MANUAL—REV 8/21
5 Maintenance
Study the instructions carefully.
The items refer to the parts list and service kits section.
Handle scrap correctly.
Always use genuine Alfa Laval spare parts. Replace seals if necessary.
S
Stteepp 33
Remove coupling system and balanced plug according to
illustrations (1 to 4).
1. Unscrew flushing tube (41) (or plug (15) if no CIP). Remove
o-ring (40).
2. Pull down lock (44) over piston rod (29).
3. Pull away clamps (43) from spindle liner (42).
4. Pull out balanced plug (94). Make sure spindle liner is free of
both piston rod and balanced plug. If external CIP to leakage
chamber: Remove o-rings (39).
.
S
Stteepp 44
1. If present, unscrew flushing tubes (66) and remove o-rings (67)
and nozzles (68 + 69).
2. Pull out sealing element (48) from intermediate piece (37).
3. Pull out o-ring (47), lip seal (49) and o-ring (46) from sealing
element
S
Stteepp 55
Remove lip seal (57) (or spray nozzle (58) if valve is supplied with
Spiral-Clean). For removal and replacement of seal ring (56),
please see 5.3 Tank plug, replacement of radial seal
N
NO
OTTE
E!!
For valve size DN/OD51 & DN50:
Lip seal (57) can only be mounted with special tool, please contact
Alfa Laval.
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Seat53.3
ISO51
DN50
9613004001
8010006489
Seat 81.3
ISO
63.5/ISO76.1
DN65/DN80
No
8010001579
Seat 100.3
ISO101.6
DN 100
No
8010001584
Seat115.3
DN125/DN150
No
8010001591
* This tool can only be used for valves produced until the end of January
2017
** These tools can only be used for valves produced since 2017 Feb
Mounting tool for lip seal (Item no. 9613-0040-01)
23
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