May2007SquareflangePN25FlangeconnectionFlangecouplingSN523Part1DimensionsinmmGeneralThenominaldiameters(DN…)areconformedtothepipeclassesspecifiedinSN901.Thescrewlengthsoftheflangeconnectionsaredesignedforadepthofengagementof1.5xd.TypeFAFlangeconnectionDesignationofaflangeconnection,typeFA,sizeDN50,withpipesize60,3x2,0mm,flange,weldingcollar,screwsinsteel(St),andO-ringinPerbunan:FlangeconnectionSN523-FA50/60,3x2,01.4404(furtherorderingexamplesaregiveninTable1)Table1PNbarDNBTHldasxO-ringSN430BoltsISO4762Orderingexample1)Weightkg/unit2512504418431822217,12x2,62M10x35FA12/18x21.44040,432515605418502222225,07x2,62M10x35FA15/22x21.44040,612520605418502822225,07x2,62M10x35FA20/28x21.44040,60252570641856352,52229,82x2,62M12x35FA25/35x2,51.44040,8825328072186442,422242,86x3,53M12x35FA32/42,4x21.44041,0025409080186848,322246,00x3,00M16x40FA40/48,3x21.44041,39255010098188060,322259,92x3,53M16x40FA50/60,3x21.44041,782565120118189876,122275,79x3,53M20x45FA65/76,1x21.44042,6125801501451810988,922291,45x5,33M24x50FA80/88,9x21.44044,332510018017518135114,3222109,54x5,33M30x55FA100/114,3x21.44047,511)Otherpipedimensionsandwallthicknessesarepossible(incompliancewithpipe-classspecifications).Continuedonpages2to3Editedby:StandardsDept.Thereproduction,distributionandutilizationofthisdocumentaswellasthedisclosureofitscontenttootherswithoutpriorexplicitwrittenconsentbySMSDemagAGareprohibited.Thisdocumentmustbeprotectedagainstunauthorizedaccessbythirdparties.Contraventionobligatestopaymentofdamages.Allrightsarisingunderpatent/utilitymodel/trademarkprotectionreserved.18.05.22.011=weldingcollarwithO-ringgroove3=squareflange4=O-ring5=bolts5134sHxlRzmax.10daDepthofthreadmin.1,5xdNoguaranteecanbegiveninrespectofthistranslationInallcasesthelatestGerman-languageversionofthisstandardshallbetakenasauthoritativeThiscopywillnotbeupdatedincaseofchanges!Page2SN523-1:2007-05TypeFKFlangecouplingDesignationofaflangecoupling,typeFK,sizeDN50,withpipesize60,3x2,0,flanges,weldingcollars,boltsandnutsinsteel,andO-ringinPerbunan:Flange-typecouplingSN523-FK50/60.3x2.0-1.4404(furtherorderingexamplesaregiveninTable2)Table2PNbarDNBTHLdasO-ringSN430BoltsISO4762NutISO4032Orderingexample1)Weightkg/unit25125044188618217,12x2,62M10x50M10FA12/18x21.44040,82251560541810022225,07x2,62M10x50M10FA15/22x21.44041,15252060541810028225,07x2,62M10x50M10FA20/28x21.44041,142525706418112352,529,82x2,62M12x55M12FA25/35x2,51.44041,65253280721812842,5242,86x3,53M12x55M12FA32/42,4x21.44041,88254090801813648,3246,00x3,00M16x60M16FA40/48,3x21.44042,582550100981816060,3259,92x3,53M16x60M16FA50/60,3x21.44043,3025651201181819676,1275,79x3,53M20x65M20FA65/76,1x21.44044,7925801501451821888,9291,45x5,33M24x70M24FA80/88,9x21.44047,952510018017518270114,32109,54x5,33M30x70M30FA100/114,3x21.440413,621)Otherpipedimensionsandwallthicknessesarepossible(incompliancewithpipe-classspecifications).1=weldingcollarwithO-ringgroove2=weldingcollarwithoutO-ring3=squareflanges4=O-ring5=bolts6=nuts143256HHPage3SN523-1:2007-05TypeFK1FlangecouplingFlangeconnectiontypeFK1istheone-sideflangeconnectionwithboltsandnuts,butwithoutmatingflange.Designationofaflangecouplinghalf,typeFK1,sizeDN50,withpipesize60,3x2,0mm,flanges,weldingcollars,blindcollar,boltsandnutsinsteel,andO-ringinPerbunan:FlangecouplingSN523-FK150/60,3x2,01.4404(furtherorderingexamplesaregiveninTable3)Table3PNbarDNBTHLdasO-ringSN430BoltsISO4762NutISO4032Orderingexample1)Weightkg/pc.25125044184318217,12x2,62M10x35M10FK112/18x21.44040,5325156054185022225,07x2,62M10x35M10FK115/22x21.44040,7125206054185028225,07x2,62M10x35M10FK120/28x21.44040,70252570641856352,529,82x2,62M12x35M12FK125/35x2,51.44041,0225328072186442,4242,86x3,53M12x35M12FK132/42,4x21.44041,1425409080186848,3246,00x3,00M16x40M16FK140/48,3x21.44041,68255010098188060,3259,92x3,53M16x40M16FK150/60,3x21.44042,072565120118189876,1275,79x3,53M20x45M20FK165/76,1x21.44043,1125801501451810988,9291,45x5,33M24x50M24FK180/88,9x21.44045,142510018017518135114,32109,54x5,33M30x55M30FK1100/114,3x21.44048,881)Otherpipedimensionsandwallthicknessesarepossible(incompliancewithpipe-classspecifications).1=weldingcollarwithoutO-ringgroove3=squareflanges4=O-ring5=bolts6=nutsPage4SN523-1:2007-05TypeFK2FlangeconnectionFlangeconnectiontypeFK2istheone-sideflangeconnectionwithoutscrewsandmatingflange.Designationofaflangeconnectionhalf,typeFK2,sizeDN50,withpipesize60,3x2,0mm,flanges,weldingcollarswithoutboltsandwithoutmatingflange:FlangecouplingSN523-FK250/60,3x2,01.4404(furtherorderingexamplesaregiveninTable4)Table4PNbarDNBThLdasO-ringSN430BoltsISO4762Orderingexample1)Weightkg/pc.251250441843182--FA12/18x21.44040,29251560541850222--FA15/22x21.44040,45252060541850282--FA20/28x21.44040,44252570641856352,5--FA25/35x2,51.44040,6325328072186442,52--FA32/42,4x21.44040,7525409080186848,32--FA40/48,3x21.44040,90255010098188060,32--FA50/60,3x21.44041,242565120118189876,12--FA65/76,1x21.44041,6825801501451810988,92--FA80/88,9x21.44042,812510018017518135114,32--FA100/114,3x21.44044,731)Otherpipedimensionsandwallthicknesse