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DocumentNo.:KE-0015-00                                        Sheet:28/37

Ⅴ Cleanup,WashandMaintenance

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1. ForSafeOperation

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(1) When disassembling strainers from the pipeline, discharge the fluid from the

pipesandreducethelinepressuretotheatmosphericlevel.Trappedpressure

orfluidisverydangerousandmaycauseaccidentsresultinginpersonalinjuries.

Extra care should be taken for the pipeline handling toxic or flammable fluid.

Take safety measures for such operation, taking fluid characteristic into

consideration.

(2) Asforstrainersfluidstendtobetrappedinthescreen,evenafterdischarging

the fluids remaining in the pipeline. Discharge the fluids in the screen by

gradually loosening the plug or cap. Be careful for handling hazardous fluids.

Makesuretypesoffluidsbeforetheoperationandtakeappropriatemeasures

asspecifiedinthepreviousclause.

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(1) DO NOT use chlorine, chlorine solution or chlorine based detergent, when

washingthescreen.Itmayharmthestainlessscreen.

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(2) Wash the screen by flushing thoroughly enough to remove all the foreign

objects before operation. Y strainers in particular may be damaged by hard

particlestrappedinthescreen,stirredbytheflowandrepeatedlycrashedwith

thecap,whichmayleadtheattritionofthecap,resultinginpossibleleakage

throughbetweenthecapandbody.

(3) Thescreenshouldfrequentlybecleanedandwashedsothatthescreenwill

not be clogged. Clogged screen will cause greater pressure loss, which will

resultinnotonlythelossofsufficientflowratebutalsodamagetothescreen.

(4) To take off the screen, close shut-off valves located in the upstream and

downstreamof the strainerand ensure that thepressure insidethe strainer

hasbeenrelievedandthenremovethecaptodetachthescreen.Cleanupthe

screenbycompressedairandwashitwithdetergent.Careshouldbetakennot

todamagethescreenduringthisoperation.

(5) Aftermaintenanceandinspection,securelyreassemblethecapandplug.Make

surethatnoleakageisfoundinthecapandplugareas.

(6) Whenreassemblingthestrainer,replacetheplugsealfornewoneeverytimeit

is disassembled and change the gasket according to the condition of the

gasket.

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Kitz Y Series User Manual

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