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IndustrialHoseServiceLife
Allrubberproducts,includingIndustrialHose,havea            3. HighTemperaturesHightemperaturescan
limitedlifeonagivenapplication.Assumingthecorrect              degraderubberstocksveryquickly,resultingin
hosehasbeenselectedfortheapplication,thisservice               shortservicelife.
lifecanbeadverselyaffectedbymanyvariablecondi-
                                                                       Whereexternaltemperaturesarehigherthan
tions.Themajoronesare:
                                                                        normalambient,contactParkerforrecommen-
    -Exposuretosevereexternalabuse,suchaskink-                 dations.
     ing,bending,highendpull,crushingorabrasion.
                                                                   4.  MisapplicationAllIndustrialHosesare  
    -Exposuretohigher-than-ratedworkingpressures
                                                                       designedforaspecificorrelatedapplication.
     ortohighsurgepressures.
                                                                       Theyshouldnotbeusedforanyother           
    -Exposuretohigher-than-ratedtemperatures.
                                                                       applicationwithoutfirstcontactingParkerfor
    -Misapplicationorexposuretocorrosivefluidsor
                                                                       recommendations.
     gasesoutsidetherangeofsuitableapplications.
                                                                   5.  InternalAbrasionForapplicationsofahighly
1.  ExternalabuseHosesshouldbeplacedwhere
                                                                       abrasivenaturewherethehosemakesone
    theywillnotberunoverbyequipmentorsubjected
                                                                       ormorebends,hoseshouldberotated90°
    tohighendpull.Hosesshouldnotbebentbelow
                                                                       periodicallytolengthenservicelife.
    recommendedminimumbendradius.Thiscould
    resultinkinkingthehoseorreducingitspressure
                                                                   Thehosemanufacturerestablished,throughdesign
    resistance.Largediameterhosesalsomayrequire
                                                                   andtesting,therecommendedratedworkingpres-
    additionalsupporttoreduceexternalabuse.
                                                                   sureforthehose.Itistheresponsibilityoftheuser
2.  Hose&SystemPressuresInestablishingand                 toaccuratelydeterminethesystempressure.Steady
    determiningpressuresrelatedtohoseandthe                 statepressurecanbemeasuredreadilybygauges.
    systemstowhichtheyareapplied,itisnecessary           Surgesaredifficulttomeasureandmayrequirethe
    toconsiderseparatelythecharacteristicsofthe            useofelectronicpressuresensingdevices.Also,
    hoseandthesystem.                                          surgevaluesdependonsomanyvariablesthata
                                                                   seriesoftestsareusuallyrequiredtoobtainavalid
    Thesystem(ordeviceorapplication)canhave
                                                                   setofreadings.However,ifthereareextremesurges
    severalpressuresdependingonpressuresources
                                                                   inthenormaloperation,orifthereisthelikelihoodof
    andsurgesimposedbytheoperatorormechanical
                                                                   abnormaloperationofthesystem,themagnitudeof
    components.
                                                                   thesepressuresmustbedetermined.
    Agivenhosehasafixedcharacteristicwithrespect
                                                                   Consideringtherecommendedratedworkingpres-
    tothepressureitcanwithstand(andhowitis
                                                                   sureoftheHOSEASSEMBLYandthevarious
    applied)andstillgivesatisfactorylife.
                                                                   pressuresoftheSYSTEM,thehoseismatchedto
                                                                   thesystemusingproperapplicationengineering
                                                                   principles.
                                                       WARRANTY
                    LIMITEDWARRANTYFORTHELIFEOFTHEMERCHANDISE
Merchandiseiswarrantedtobefreefromdefectsinmaterialorworkmanshipforthelifeofthemerchandise.
Parkerwill,atitsoption,replaceorrepairanymerchandiseproveddefectiveinmaterialorworkmanship,
                                                                                                                                     INTRODUCTION
orboth,duringthewarrantyperiod.Thisistheexclusiveremedy.Forwarrantyservice,pleasecontactParker
IndustrialHoseDivision,17295FoltzIndustrialParkway,Cleveland,OH44149.
THEREISNOOTHEREXPRESSWARRANTY.IMPLIEDWARRANTIES,INCLUDINGTHOSEOF
MERCHANTABILITYANDFITNESSFORAPARTICULARPURPOSE,ARELIMITEDTOTHEEXPRESS
WARRANTYPERIOD.LIABILITYFORCONSEQUENTIALORINCIDENTALDAMAGESUNDERANYAND
ALLWARRANTIESAREEXCLUDEDTOTHEEXTENTEXCLUSIONPERMITTEDBYLAW.Somestatesdo
notallowtheexclusionorlimitationofincidentalorconsequentialdamages,andsomestatesdonotallowlimita-
tiononhowlonganimpliedwarrantylasts,sotheabovelimitationandexclusionmaynotapplytoyou.Thewar-
rantygivesyouspecificlegalrightsandyoumayalsohaveotherrightswhichvaryfromstatetostate.
ParkerHannifinCorporation
                                                              XIII
IndustrialHoseProducts
www.safehose.com