Use and Care Manual

3
D. Drainprovisions
1. InternalAutomaticDrains-Drainline
Thebottomofinternalautomaticdrainsareprovidedwith
1/8"(insidethreads)forconnectionofadrainlineifdesired.
2. ExternalAutoDrains-Externalautodrainsmaybeadded
as follows:
Models12through28-removeinternaldrainandinstall
adapter(availablefromfactory).Adapteroutletconnection
is1/8"(insidethreads).
Discharge is at system pressure; anchor
drain line.
Models 32 through 48 - Remove adapter tting from
bottomofbowl;1/2"(insidethreads)portisavailablefor
externaldrainconnection.
2.0 Operation
Do not operate filter at pressures in
excess of Maximum Working Pressureindicated on Serial
NumberTag.
NOTE:MaximumOperatingTemperature-150°F,66°C.Liquid
ltrationabove120°F,49°Cisnotrecommendedsincethereis
typicallyoilpresentinavaporstatewhichpassesthroughthe
filter and condenses downstream.
NOTE:Grade1-Ifoperatedabove100°F,38°Cmayexperience
lessthan1000hoursoflifebecauseofgreateroilvaporcontent.
A. Liquid Draining - Grades 11, 9, 7, 5, 3
NOTE: Collected liquids must be removed to ensure proper
operation.
NOTE:Depressurizeslowly,toavoidlterelementdamage.
1. ManualDrain-Turntoyourright(clockwise)toopenand
toyourleft(counterclockwise)toclose.
2. AutomaticDrain-Liquidswillautomaticallydischargewhen
sufficient accumulation occurs.
a. Internally Mounted Auto Drains
-These drains may be manually
drained by turning to your right
(clockwise)toopenandtoyour
left(counterclockwise)toclose.
NOTE:Manuallydraininternalautodrains
daily to verify drain function.
B. Operational Checkpoints
All Grades
Checkow,pressure,andtemperaturetomakecertainlter
isbeingoperatedwithindesignconditions.
Grades 11, 9, 7, 6, 5, 3
Checkpressuredropacrossthelter
1. Pressure differential in excess of 6 psi (0.42 kgf/cm
2
) -
pressureindicator in red area - indicates that the lter
sleeveorelementshouldbereplaced.Referencepage5,
Figure3.2forgaugescaledetail.
NOTE:Elementshouldbechangedannuallyorwhenindicator
changes to red, whichever occurs first.
NOTE:
Pressuredropshouldneverexceed15psi(1.0kgf/cm
2
).
OPEN ( TO RIGHT )
2. Check for sudden reduction in pressure drop.
Thismightindicate:
a. Possibleleakacrosselemento-ringseal
b. Leakthroughtheelementduetophysicaldamage
Grades 11, 9, 7, 5, 3
1. Checktoseethatlterisinstalledleveltoinsureproper
drainage.
2. Checkthatmanualdrainsaredrainedperiodicallyorthat
automatic drains are functioning.
3. OnmodelswithLiquidLevelSightglass-Checkthatliquid
levelisbelowtopofSightglass.
Grade 1
1. Checkforanoilysmellbyopeningthemanualvalve.Ifan
oilysmellexists,thefollowingshouldbechecked:
a. Filterelementadsorptioncapacityexhausted
b. Leakacrosselemento-ringseal
c. Leakthroughelementduetophysicaldamage
d. Presenceofliquidsbecauseoflackoforfailureofpre-
filters
e. Flow, pressure and temperatures outside design
conditions
f. Presence of gaseous impurities which cannot be
adsorbed
Methane,carbonmonoxide,carbondioxideand
various inorganic gases cannot be removed by an activated
carbon filter.
C. Flow Capacity
Maximum air ow for the various lters at 100 psig (7 kgf/
cm
2
)isindicatedinTable1.Todeterminemaximumairows
at inlet pressures other than 100 psig (7 kgf/cm
2
), multiply
owfromTable1byairowcorrectionfactorfromTable2
thatcorrespondstotheminimumoperatingpressureatthe
inlet of the filter.
NOTE:Filtersshouldnotbeselectedbypipesize.Selectusing
owrateandoperatingpressureonly.
Table 1 - Maximum Flow @100 psig [7 kgf/cm
2
]
Housing scfm [m
3
/hr]
CF12
20 [35]
CF16
35 [60]
CF20
60 [105]
CF24
100 [170]
CF28
170 [290]
CF32
250 [425]
CF36
375 [640]
CF40
485 [825]
CF44
625 [1060]
CF48
780 [1325]
Table 2 - Air Flow Correction Factor
Maximum
Inlet
Pressure
psig 20 30 40 60 80 100 120 150 200 250 300
kgf/cm
2
1.4 2.1 2.8 4.2 5.6 7.0 8.4 10.6 14.1 17.6 21.1
Correction Factor 0.30 0.39 0.48 0.65 0.82 1.00 1.17 1.43 1.87 2.31 2.74