ALFA LAVAL UNIQUE RV-ST VALVE INSTRUCTION MANUAL—REV 8/21
5 Maintenance
Maintain the valve regularly.
Study the instructions carefully and pay special attention to the warnings!
Always keep spare rubber seals and lip seals in stock.
Check the valve for smooth operation after service.
B
Beelloow
w aarree ssoom
mee gguuiiddeelliinneess ffoorr m
maaiinntteennaannccee aanndd lluubbrriiccaattiioonn iinntteerrvvaallss.. P
Plleeaassee nnoottee tthhaatt tthhee gguuiiddeelliinneess aarree ffoorr nnoorrm
maall
w
woorrkkiinngg ccoonnddiittiioonnss iinn oonnee sshhiifftt..
P
Prroodduucctt w
weetttteedd sseeaallss
A
Accttuuaattoorr bbuusshhiinnggss ccoom
mpplleettee
Preventive
maintenance
R
Reeppllaaccee aafftteerr
1122 m
moonntthhss ddeeppeennddiinngg
oonn w
woorrkkiinngg ccoonnddiittiioonnss
R
Reeppllaaccee aafftteerr
55 yyeeaarrss ddeeppeennddiinngg
oonn w
woorrkkiinngg ccoonnddiittiioonnss
Maintenance after
leakage (leakage
normally starts slowly)
R
Reeppllaaccee aatt tthhee
eenndd ooff tthhee ddaayy
R
Reeppllaaccee w
whheenn
ppoossssiibbllee
Planned
maintenance
- Regular inspection
for leakage and
smooth operation
- Keep a record of
the valve
- Use the statistics for
inspection planning
R
Reeppllaaccee aafftteerr lleeaakkaaggee
- Regular inspection
for leakage and
smooth operation
- Keep a record of
the actuator
- Use the statistics for
inspection planning
R
Reeppllaaccee aafftteerr lleeaakkaaggee
Lubrication
B
Beeffoorree ffiittttiinngg
Alfa Laval
Silicon based
Food-grade Lubricant
USDA H1 approved grease
B
Beeffoorree ffiittttiinngg
Molykote Longterm 2 plus
P
Prree--uussee cchheecckk::
1. Supply compressed air to the actuator.
2. Open and close the valve several times to
ensure that it operates smoothly.
P
Paayy ssppeecciiaall aatttteennttiioonn ttoo tthhee w
waarrnniinnggss!!
* = Air
R
Reeccoom
mm
meennddeedd ssppaarree ppaarrttss
Service kits (see section )
*
2404-0101
*
26
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