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DocumentNo.:KE-0015-00                                        Sheet:31/37

Ⅵ PeriodicInspectionandMaintenance

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1. PeriodicInspection 

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1.1 Carryoutaperiodicinspectiononthestrainersinuseatleastonceayear.

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1.2 Examinestrainerstoensuretrouble-freesafeoperation.

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1.3 SeeChapterIV,Section3“DailyInspection”,forinspectionitemsandinspectionmethods.

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1.4

A periodic inspection is recommended on strainers which are not subject to a daily

inspection.(Aperiodicinspectionshouldbecarriedoutonallstrainers.)

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2. MaintenanceandInspection

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Incasepipelinesorfacilitieswherestrainersareinstalledareshutdownforapipeline

inspection,carry outaninspection onstrainers, as needed,includingpressuretest as

wellasvisualinspectiontocheckifthescreeniscloggedorwhetherforeignparticlesgo

throughtothedownstream.Ifanyfailureisfound,disassemblethestrainersforfurther

inspection.Thestrainersmustpassrequiredinspectionsbeforebeingsentbacktothe

pipelinesorfacilitiesforreinstallation.

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2.1 Carefordisassemblyandreassemblyafterinstallation

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(1) Discharge the fluid from the pipes and reduce the line pressure to the

atmosphericlevel,whenremovingthecap.  

(2) Operatorsmusttakeprotectivemeasuresagainstthe

directexposuretothe

fluid

andpreventcatchingfire.

(3) Keep off the valve lifting area to prevent personal injuries caused by

unsecuredvalves.

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(1) Wearprotectiveitemssuchasgoggles,glovesandworkingfootwear.

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(2) Keepasecurefootingforvalvedismantlingormountingstrainers.

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Kitz Y Series User Manual

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