Alfa level M3 - Page 19

Maintenance
Cleaningliquids
LiquidsDescription
AlfaCausAstrongalkalineliquid,forremovingpaint,fat,oiland
biologicaldeposits.
AlfaPhosAnacidcleaningliquidforremovingmetallicoxides,rust,
limeandotherinorganicscale.Containsrepassivation
inhibitor
AlfaNeutraAstrongalkalineliquidforneutralizationofAlfaPhosbefore
drainage.
AlfaP-NeutraForneutralizationofAlfaP-Scale.
AlfaP-ScaleAnacidicpowdercleanerforremovalofprimarycarbonate
scalebutalsootherinorganicscale.
AlfaDescalentAnon-hazardousacidiccleaningagentforremovalof
inorganicscale.
AlfaDegreaserAnon-hazardouscleaningagentforremovalofoil,grease
orwaxdeposits.Additionallypreventfoamingwhenusing
AlpaconDescaler.
AlfaAddAlfaAddisaneutralcleaningstrengthenerdesignedtobe
usedwithAlfaPhos,AlfaCausandAlfaP-Scale.0.5–1
vol%isaddedtothetotaldilutedcleaningsolutionto
providebettercleaningresultsonoilyandfattysurfaces
andwherebiologicalgrowthoccurs.AlfaAddalsoreduces
anyfoaming.
IfCIPcannotbedone,cleaningmustbedonemanually.RefertoManualcleaningofopened
unitsonpage24.
Chlorineasagrowthinhibitor
Chlorine,commonlyusedasgrowthinhibitorincoolingwatersystems,reducesthecorrosion
resistanceofstainlesssteels(includinghighalloyslikeAlloy254SMO).
Chlorineweakenstheprotectionlayerofthesesteelsmakingthemmoresusceptibletocorrosion
attacksthentheyotherwiseshouldbe.Itisamatteroftimeofexposureandconcentration.
Ineverycasewherechlorinationofnon-titaniumequipmentcannotbeavoided,yourlocal
representativemustbeconsulted.
Waterofmorethan300ppmClionsmaynotbeusedforpreparationofcleaningsolutions.
Caution!
Ensurethatthehandlingofresidualsafterusingchlorinesfollowthelocalenvionmental
regulations.
DocumentIDLanguageEdition
3490010217EN2014-11InstructionManual-PlateHeatExchangers19
EN