Kitz F Series - Optional Design Specifications ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・１７; Automatic Operation of Actuators ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・１７

Document No.：KE-4010-11                                            Page: 17/58
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17.  OptionalDesignSpecifications
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The following design specifications can be optionally accommodated for KITZ F Series pneumatic valve
actuators.  Fordetails,refertoAppendixofthismanual.
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OptionalDesignSpecifications
Options
 Designspecifications
Lowtemperature -40℃(-40°F)  to  +60℃(+140°F)  ambient
Service
temperatures
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Hightemperature -20℃(-4°F)  to  +100℃(+212°F)  ambient
5K
for0.5MPaoperatingpressure
Spring
cartridges
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3K
for0.3MPaoperatingpressure
AIR-FAIL-OPENmode  
toopenvalveswithspringrepulsingforce
Adjustmentofvalveopeningrange tostopvalvetravelatadesiredposition
Doubleaction
withmanuallever
Manualoperation
Springreturn
withmanuallever
NPTthreading forairinlet/outletports
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18.  Automatｉｃ OperationofActuators
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18.1KITZFSeriespneumaticvalveactuatorsareoperatedwiththestandardairpressureof0.4MPa,however,
canbesetforoperationwithminimum0.3MPaandmaximum0.7MPaairpressure.  Actuatorsequippedwith
airfilter-regulatorsaresetforoperationwith0.4MPa.
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18.2Compressedinstrumentationair(ornitrogengas)isthestandardoperationmedium.  Useofairfilters
andair dryers arerecommendedtokeepthe airinthe housing dry andcleanfor trouble-free operationof
actuators.
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18.3Checkthefollowingpointsduringpilotoperationofyouractuators.
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(1) In case of spring return type actuators, check a cap on the breathing port is removed before running
automatedoperation.
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(2)Checktrouble-freefunctionoftheactuatorbymanuallyorautomaticallyoperatingitafewcycles.
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(3)Checkairleakagefromtheairtubingthroughatravelfromacompressortotheactuator.Iftheoperation
modeoftheequippedsolenoidvalveischangedfromAIR-TO-OPENtoAIR-TO-CLOSEorviceversa,the
gasketconnectionbetweenthesolenoidvalveanditsadaptormustbealsocheckedforairleakage.
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(4)Checkifasolenoidvalveisprovidedwithyourrequiredspecifications.
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