Goodyear Rubber Products

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4300Catalog                                                                                                      Appendix
CounterboresandTaps
RecommendedUseofPortingTools
Parkeroffersportingtoolsformachiningprecisionports(glands)conformingtoDIN3852-1,SAEJ1926-1(SAEstraightthread
port)andthenewworldstandardport,ISO6149-1.
MachiningportstoacceptParkertubefittingsiscompletedinthreesimplesteps.
Tobegin,selecttheappropriatesizeporttoolingforthefittingendinquestion.Next,followthesemachiningsteps.
1. PilotHoleDrilling.                    2. PortCounterboring.                   3. ThreadTapping.
  First,makeapilotholeforthecouter-   Then, run the counterbore tool into    Lastly, the machined port must be
    borebyusingadrillorboresizefound  thepilotdiametercreatedinstep1.     threadedtoaccommodatethefitting.
    inthecouterboretoolingtables.Make    All features and dimensions of the   UsetheappropriateParkertappingtool
    holedepthaccordingtotheportdetail   portandO-ringcavityarebuiltintothe oranothertapintendedforthesame
    onpagesA18,A19andA21.Parker         counterboringtoolexceptthedepth.      threadtype,size,andclass.
    TubeFittingsDivisiondoesnotselltap  Thedepthofthecounterboremachin-
    drillsorboretooling.                    ingmayvaryfromalightspotface,up
                                               tothemaximumspotfacedepthlisted
                                               ontheportdetailonpagesA18and
                                               A19.
                                                                        
    Fig.V1--Pilotdrilling                 Fig.V2--                                Fig.V3--Tapping
    forcounterboretool                       Counterboringtool
                                            Note:Itisnecessarytocreateaspotface
                                            surfacewhichis flatandperpendicular
                                            totheport,andwithasmoothfinishto
                                            preventleakageorO-ringextrusion.Cast
                                            orforgedsurfacesmustbespotfacema-
                                            chinedtomeettheserequirements.Even
                                            onsmoothsurfaces(machinedsurfaces),
                                            itisnecessarytolightlytouchthesurfact
                                            toassureasmoothradiusattheentrance
                                            oftheport.
                                                                                                                                      V
                                                              V13                               ParkerHannifinCorporation
                                                                                                TubeFittingsDivision
                                                                                                Columbus,Ohio
                                                                                                http://www.parker.com/tfd

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CALL TOLL FREE IN THE USA 1-866-711-4673

INTERNATIONAL SALES CALL +1-727-342-5086 WE SHIP WORLDWIDE

CALL TOLL FREE
IN THE USA
1-866-711-4673

INTERNATIONAL SALES CALL
+1-727-342-5086
WE SHIP WORLDWIDE