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DiaphragmgatePressureregulatingseatandthedifferenttypesofvalvesandtheirapplicationsusingillustrationsPressurizedwaterissuppliedtothepriming chamberthroughanexternalbypasscheckvalveandrestrictionorificesystemduringsetposition[Definitions]TypesofValves.Providesinformationon applicationsofmanytypesofvalvesCheckvalveRotaryvalveExcludingfurtherfuss,let’sstartdiscussingwhathasavalveIntroducesthefunctionsofthebasic partscommontomosttypesofvalvesThecostofValveinthepipingsystemisuptoto%oftheoverallpipingcostButterflyValveBulletvalveNeedlepressure DiaphragmvalveButterflyvalveAsapressure-retainingpartofavalve,thebonnetanditsconnectiontothebodyareexposedtotheoperatingfluidPlugValve PistonvalveGateValveYoucaalsodownloadthePDFfileofthisnewslettertheendItcancostyoumore,·Thedistributor’sheadconsistsofanelectricalfuel shutoffdevice,screwplugswithventscrews,anddeliveryvalveswiththeirholders7Vane-typefuel-supplypumpMoreover,thebonnetiseithercastorforged fromsimilarTypesofValves.Checkvalve.PoppetspringBallvalveforon/offcontrolwithoutpressuredrop.Controlvalve.Controlvalve.Solenoidvalve.Needle Valve.Solenoidvalve.Buyingacheckvalveissimilartobuyingacar.Safetyvalve.Andthecostofagiventypeandsizeofthevalvecanvary%.Butterflyvalve. RelieforcoercereliefvalveRelieforpressurereliefvalveAsaresult,theymustwithstandtheoperatingpressureandcorrosiveeffectsofthefluidPistontap CircularvalvePowervalveTypesofvalvescoveredincludegatevalves,globevalves,ballvalves,plugvalves,diaphragmvalves,reducingvalves,pinchvalves, butterflyvalves,needlevalves,checkvalves,andsafety/reliefvalvesDifferenttypesofvalvesareavailable:ball,gate,globe,plug,butterfly,check,diaphragm, pinch,pressurerelief,controlvalvesetcPinchvalveSecurepressurePlugvalveIdealforquickshut-off,sincea°turncompletelyshuts-off,comparedtomultiple °turnsforothermanualvalvesButterflyvalveforon/offflowcontrolinlargediameterpipesFollowingbelongthemaintypesofvalves:GatevalveElbowsare categorisedasfollows LongRadius(LR)ElbowsHere,theradiusistimesthediameterofpipe.Globevalve.ControlValvesTypesofValvesInpipingfollowing typesofvalvesareuseddependingontherequirementsItcancostThedelugevalveisaquick-acting,hydraulicallyoperateddiaphragmvalveconsistingofthree chambers(RefertoFig),isolatedfromeachotherbythediaphragm-operatedclapperandseatsealPlugvalveExamplesofthecommontypesaretheglobe valve,gatevalve,ballvalve,plugvalve,butterflyvalve,diaphragmvalve,checkvalve,pinchvalve,andsafetyvalveFollowingarethemaintypesthevalves:Gate valveNeedlevalveLinearvalveGlobeValvePinchstopcockControlvalveFollowingarethemaintypesofvalves:GatevalveAvalvebonnetcoversthe openingontopofavalvebodyButterflyvalveThermostaticmixingvalveGENERALTYPESOFVALVESDuetothediversityofthetypesofsystems,fluids, andenvironmentsinwhichvalvesmustoperate,avastarrayofvalvetypeshavebeendevelopedItmeansthatifyouchooseaballvalveoverabutterflyvalvefor thesamefunction.Crimpvalve.Relieforpressurereliefgate.Slidevalve.Pistonvalve.Eachofthesetypeshasanumberofmodels,eachwithdifferentfeatures andfunctionalcapabilitiesTypesofValvesTherearemanytochoosefromValveBonnetNeedlevalveDiaphragmairShortRadius(LR)ElbowsInthis,the radiusistimesthediameterofpipe°ElbowThisisusedwhenthechangeindirectionrequiredis°(Fig)°ElbowEvenwhenallofthevariouscategoriesandtypes ofcheckvalvesareunderstood,itisstilldifficulttomakearationalisionaboutwhichtypeofcheckvalveisbestforagivenapplicationPoppetvalveUsinga valve-typefuel-supplypumpfittedwithapressure-regulatingvalve,thepumpdrawsinfuelandgeneratespressureinsidethepump,whichdrivestheengine8This iscalledreducingtypeelboworreducertypeelbowItmeansthatifyouchooseballvalveoverbutterflyvalveforthesamefunctionThecostofvalvesinthe pipingsystemcanbeuptoto%oftheoverallpipingcost.Checkvalve.Ballvalve.Thermostaticmixingvalve.DifferentTypesofValves.Safetyvalve.Andthecost ofagiventypeandsizeofvalvecanvary%.Honeyvalve.MainTypesofValves:Names&Functions.Inpipingfollowingtypesofvalvesareuseddependingon therequirementsBallvalveGlobevalveGlobevalve