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HeadOffice
Himmelsbodavägen 7·P.O.Box120 ·SE-147 22 TUMBA ·SWEDEN
Phone:+46-844999 00 ·Fax: +46-8449 99 90
info@steridose.com · www.steridose.com
RegionalOffice
5020 WorldDairyDrive ·Madison,WI53718 ·USA
Phone:+1-608 229 5225 ·Fax:+1-608 227 9599
info@steridose.com · www.steridose.com
1. AbouttheWeldingGuide
Theweldingproceduredescribedin thisguideisusedforweldingflange in tovessels.The
guidelinesreferonlytothetechnicalaspectsofweldingoperations.Pleasenotethatalldatawith
regardtoweldingcurrent,timeetcareapproximateand mayvaryin practice.Referencesaremade
totheSwedishcodeforpressurevessels,TKN87. Ensurethattherelevantstandardsforpressure
vesselsarecomplied withthevessel.
RoplanABs liabilityforpossiblefaultsareregulatedbyECE 188. ThisimpliesthatRoplanABis
responsibleforfaultspresentin theproductatthetimeofdelivery.
RoplanABisnotresponsibleforfaultsthatoccurduetoconditionsthatariseafterdelivery,for
examplefaultyhandling,weldingorfitting.
Asastepin RoplanABs qualityassurance,eachflange isinspectedpriortodeliverytoensure
conformance withregardtosize and otherrequirementsoftheRoplanABs drawings.Acertificate
isenclosed with each delivery.
Thisprocedureensuresthattheprobabilityofan original faultisverysmall. Faultsthatdooccurcan
normallybetraced to incorrecthandling, weldingorfitting.
RoplanABs experience isthatthegreatestriskofafaultoccurringisdeformation in connection
with weldingtheflange into thegableend ofthevessel.
Tominimisetheriskoffaultsoccurringafterdeliveryfrom RoplanABitisessentialthatthis
weldingguideisstudiedand thatonlyproperlytrainedand experiencedpersonnelareemployedin
theweldingoperations.
Forothercountriesthan Sweden, pleasemakesurethattherelevantstandardsforthatcountryare
complied with.
Thepurposeofthismanual isto avoid deformation oftheSteriflange dueto releaseoftension
forcesin thegable.
Thismanual should onlyberegarded asan aid in theweldingwork and notoverridethelegal
obligations.
