DocumentNo.:KE-0015-00 Sheet:24/37
Ⅳ OperationandMaintenance
1. ForSafeUse
(1) Applyanti-corrosionpaintingtostrainers,incasetheyareusedinacorrosive
environment.Failuretouseanappropriatepaintingmayleadtothecorrosion
ofstrainers,resultinginoperationalmalfunction.
(2) Careshouldbetakeninhandlingpaintedstrainerssothatthepaintingwillnot
comeoff.Theremovalofpaintingmaycausethecorrosionofthestrainers.
(3) Takeappropriateprotectivemeasuresforexcessivecavitypressure,freezing
orwater-hammer,iftheyareexpectedtotakeplace.Failuretoaccommodate
thesemeasuresmaycausedamage tothe productsandleadto operational
malfunction.
1.1 The screen of newly mounted strainers should be disassembled and cleaned up
before the operation of pipeline. It may have collected foreign objects during the
installationofpipeline.
1.2 Retighten the bolts and nuts of the end flanges and cap after the pressure and
temperatureofmountedstrainersareincreased.
1.3 Retightentheboltsandnuts,incaseleakageisfoundintheendflangeorcaparea.
Retighteningshouldbecarriedoutafterdecreasinglinepressureinaccordancewith
the procedure given in Chapter III, Section 6 “Installation Procedure for flanged
strainers”.