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� 4300Catalog Triple-Lok 237�FlareTubeFittings Triple-Lok2Introduction Parker'sTriple-Lok2combinestheversatilityofstainlesssteel Triple-Lokwiththeaddedadvantageofanelastomericseal. Triple-Lok 2 incorporates a replaceable seal in the nose of theflare,whichispositionedsothatleak-freeconnectionsare madewithoutcompromisingthestrengthofthefitting.Triple- Lok2shapefittingswithSAEstraightthreadadjustablestuds also feature Parker's new patent-pending design, providing easierassemblyandimprovedreliability.Triple-Lok2canbe usedinanyindustrialapplicationwherecorrosionresistance andleak-freeconnectionsareessential.Triple-Lok2isadirect interchangeforanyindustrial37�flarefitting,allowingcurrent 37�flarefittinguserstotakeadvantageofTriple-Lok2without changinghosesortubes. Fig.C4�Triple-Lok2FittingBody,SleeveandNut DesignandConstruction TheTriple-Lok2designincorporatesanelastomericsealinthe noseofthe37�flare.TheO-ringispositionedsothatelastomeric Elastomeric sealingoccurswiththematingtuberegardlessoftubewallthick- Seal ness.Itusesaneasilyproducedflareatthetubeendtoseal andholdfluidunderhighpressure.Thefittingconsistsofthree pieces:thebody(withO-ring),sleeveandnut(Fig.C4).The tubeendisflaredata37�angle(74�includedangle)andheld betweenthefittingnose(seat)andthesleeve(support)withthe nutasshowninFig.C5,providingaveryeffectiveelastomeric sealbetweenthefittingnoseandthetubeflare. Sleeve MaterialsandManufacture Tube Triple-Lok2fittingcomponentsaremanufacturedusingstate- of-the-artequipmentandmanufacturingtechnologiestoassure constructionintegrity,optimumstrengthandtoughness,long servicelifeandthehighestquality.AttheheartoftheTriple-Lok 2productlinearethefinestrawmaterialsandmanufacturing technologiesasoutlinedinTableC5anddiscussedbelow. TheTriple-Lok2Body:Triple-Lok2fittingsaremanufactured Fig.C5�Triple-Lok2DesignandFeatures inthemostpopularstainlesssteelsizesandconfigurations. Straightbodiesaremachinedfromcolddrawnbarstock.Shaped Triple-Lok2fittingsaremanufacturedfromaone-pieceforged StainlessSteel construction.Thisforgedconstructioneliminatesthepotential Triple-Lok2 Fittings leakpathassociatedwithmulti-componentbrazedfittings. ASTM Type TheTriple-LokSleeves:Stainlesssteelsleevesaremachined ForgedBodies A182 316 fromcolddrawnbarstock. BarStock A479 316 TheTriple-LokTubeNuts:Thetubenutsareeithercoldformed Bodies ormachinedfromcolddrawnbarstock.Thecoldformingprocess ColdFormed A276 316 increasesthematerialstrengthanditsfatigueproperties,impart- Nuts inghighstrengthandlongerservicelifetothenuts. BarStockTube A479 316 Nuts BarStock A479 316 HowTriple-Lok2FittingsWork Sleeves Tighteningofthenutclampsthetubeflarebetweenthebody TableC5�StandardMaterial nose and O-ring, producing a leak tight connection. This SpecificationsforTriple-Lok2Fittings Finish:Stainlesssteelfittingsarepassivated. C10 ParkerHannifinCorporation TubeFittingsDivision Columbus,Ohio http://www.parker.com/tfd
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