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What is an O

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What is an O

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  1. WhatisanO-ringseal:Fundamentals,LimitationsOfUse • AnO-ring sealisatypeofmechanicalsealthatconsistsofacircularelastomericringthatfitsintoagrooveandcompressesbetweentwomatingsurfacestocreateatightbarrier.O-ringsealsarewidelyusedinvariousapplications,suchashydraulicandpneumaticsystems,valves,pumps,cylinders,andconnectors,becausetheyaresimple,versatile,andcost-effective.However,O-ringsealsalsohavesomelimitationsofusethatneedtobeconsideredbeforeselectingthemforaspecificpurpose. • Someoftheselimitationsare: • O-ringsealsaresensitivetotemperaturechangesandmaylosetheirelasticityordegradeifexposedtoextremeheatorcold. • O-ringsealsaresusceptibletochemicalattackandmayswell,shrink,orcrackifexposedtoincompatiblefluidsorgases. • O-ringsealsarepronetoextrusionandabrasionifthegroovedimensionsarenotproperlydesignedorifthepressureistoohighorfluctuating. • O-ringsealsaresubjecttoinstallationdamageandmaytwist,stretch,orcutifnothandledcarefullyorlubricatedadequately. • Therefore,O-ringsealsarenotsuitableforeveryapplicationandrequirecarefulselectionofthematerial,size,shape,andhardnessofthering,aswellasthedesignofthegrooveandthematingsurfaces.Byfollowingtheappropriateguidelinesandstandards,O-ring sealscanprovidereliableandeffectivesealingperformanceforalongtime.

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