Transcription of Determining Tube Size Step 2: Determine Tube …
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Determining Tube Size Step 2: Determine Tube …
Youdesiretousedifferentvelocitiesthanthe above, ,typeandsizefora givenapplicationandtypeoffittingis ,anddeterminingtheoptimumtubesize( ).Propersizingofthetubeforvariouspartsof a hydraulicsystemresultsin , ,it pressurelines,it causeshighfrictionlossesandturbulence, , ,andhence, , basedonthefollowingrecommendedflowveloci - (in.)= (mm)= , "A"(designfactorof4)inTableU10,andtemper aturederatingfactorof1 moresevereoperatingconditionsareinvolved ,thevaluesinTablesU15andU16shouldbemulti pliedbyappropriatederatingfactorsfromTab lesU10 at72 FSpecificationSteelC-101012,500 PSISAEJ356,J524,J525 SteelC-102115,000 PSISAEJ2435,J2467 Steel,HighSAEJ2613,StrengthLowAlloy18,00 0 PSIJ2614(HSLA)StainlessSteel18,800 PSIASTMA213,304& 316A249,A269 AlloySteelC-413018,800 PSIASTMA519 Copper,K orY6,000 PSISAEJ528,ASTM875 Aluminum6061-T610,500 PSIASTM8210 Monel,40017,500 PSIASTM8165 TableU8-DesignStressValuesDesignPressure Formula(LAME'S)P=S(_0_2_-d_2_)where:02+d 2o=Outsidediameteroftube,ind=Insidediame teroftube(D-2T),inP=Recommendeddesignpre ssure,psiS=Allowablestressfordesignfacto rof4,psiT=Tubewallthickness, (DIT~ 10)thefollowingformulamaybeUsed:P= 2ST/DRecommendedFlowDiameters.
Determining Tube Size for Hydraulic Systems Pressure lines - 25 ft./sec. or 7.62 meters/sec. Return lines - 10 ft./sec. or 3.05 meters/sec. Suction lines - 4 …
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