ugh,cinderlikesurface.Cavitationdamagemayextendtotheadjacentdownstreampipeline,ursandthebubblescollapse.FlashingIfpressureatthevalveoutletremainsbelowthevaporpressureoftheliquid,thebubbleswillremaininthedownstreamsystemandtheprocessissaidtohaveflashed.Flashingcanproduceseriouserosiondamagetothevalvetrimpartsandischaracterizedbyasmooth,polishedappearanceoftheerodedsurface.Flashingdamageisnormallygreatestatthepointofhighestvelocity,whichisusuallyatorneartheseatlineofthevalveplugandseatring.Pv9ChokedFlowinLiquids--?EliminateorminimizethedamageofCavitationSelectthetypeofthevalvethatcansplitthetotalpressuredropacrossthevalveintosmallerportions,suchasusingmultiple–stagetrims.Selectthevalvewithhardmaterials.ChangethesystembyraisingpressureP2,suchasmovingthevalvetoalocationthathasmorestatichead.10
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