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4300Catalog K4BSPAdapters 60�ConeAdapters:JISvs. BS5200 Parker'sP4JIS60�coneadaptersaremanufacturedinac- cordancetoJISB8363whileParker'sK4BSPadaptersare manufacturedinaccordancetoBS5200.Thefollowingaresome pronounceddifferencesthatmayhelpindistinguishingbetween theK4andP4fittings: 1. Threadlength("A"dimensions) 2. 60�anglediameter("B"dimensions) Fig.J3�JISB836360�Cone 3. Theundercutarea(areabetweenthreadsandhexbody) Connection(P4) onthestraightK4fittingsincorporatesabondedseal "locatingpilot"forbondedseal 4. Parker'sJISfittingsarestampedwith"JIS"ontheforging bodyorhexoffitting SeeFigs.J3andJ4fordetailsandseeTablesJ3andJ4below forspecificdimensionaldifferences. BSPP Size Thread M A B 2 1/8-28 0.38 0.418 0.276 4 1/4-19 0.51 0.570 0.394 6 3/8-19 0.65 0.609 0.531 8 1/2-14 0.82 0.726 0.650 Fig.J4�BSB520060�Cone Connection(K4) 12 3/4-14 1.04 0.805 0.866 16 1-11 1.30 0.883 1.102 20 11/4-11 1.64 0.945 1.417 24 11/2-11 1.87 0.962 1.654 32 2-11 2.34 1.102 2.126 TableJ3�DimensionsofJISB836360�ConeConnection BSPP Size Thread M A B 2 1/8-28 0.38 0.315 0.295 4 1/4-19 0.51 0.433 0.409 6 3/8-19 0.65 0.472 0.551 Fig.J5�IllustrationShowingPotential 8 1/2-14 0.82 0.551 0.689 LeakageProblemWhenMixingJISandK4 10 5/8-14 0.90 0.630 0.760 Components 12 3/4-14 1.04 0.630 0.902 16 1-11 1.30 0.748 1.130 20 11/4-11 1.64 0.787 1.449 24 11/2-11 1.87 0.866 1.681 32 2-11 2.34 0.984 2.150 TableJ4�DimensionsofBSB520060�ConeConnection Whilethe60�coneversionsofJISandK4fittingsutilizethe sameBSPPthreadsandseatangle,notalldimensionsare consistent.Therefore,theycannotbeinterchangedbecause thedifferencescancauseleakageproblems.Anexampleof thisisillustratedinFig.J5. Insummary,interchangingcomponentsbetweenJISandK4 adapterscan,insomecases,leadtoleakageproblemsandthus isnotarecommendedpractice.Thecombinationofmatching Fig.J6�AnEffectiveSealCreatedwiththe propercomponentswillcreateaneffectivesealasillustrated ProperCombinationofComponents inFigJ6. Dimensionsandpressuresforreferenceonly,subjecttochange. J4 ParkerHannifinCorporation TubeFittingsDivision Columbus,Ohio http://www.parker.com/tfd
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