DMNO气动隔膜阀

1DM/NOValvolaamembranapneumatica,adazionediretta,NOPneumaticallyactuateddiaphragmvalve,directacting,NOSizesaccordingtoISO-BS-ASTMThediaphragmvalvetypeDMisdirectacting,normallyopen.Itisidealforconveyingdirtand/oraggressivemedia.Thevalveispar-ticularlysuitablewhenaclosingspringisnotneededandwherespaceisatapremium.Itconsistsofthreemainparts:body,diaph-ragmandasealingbonnet.Thediaphragmgetsautomaticallypushedagainstthebodybythepressureexertedafterblowingcompressedairintothebonnet.Therefore,thevalveclosestightly.Itcanbeusedinboththeflowdirections.CHARACTERISTICS-insensitivetoaggressivemedia-compactandsturdyconstruction-smalldimensions-StandardprovidedwithneoprenereinforceddiaphragmACCESSORIESThevalvecanbeequippedwith:-strokelimiterplusopticalpositionindicatorandemergencymanualoverride-3/2waypilotvalve.DimensionisecondoISO-BS-ASTMLaDMèunavalvolaautomaticaadazionediretta,normalmenteaperta.Sitrattadiunavalvolaidealeperifluidimoltosporchie/oadaltavi-scosità.LaDMèparticolarmentevantaggiosaintuttequelleapplica-zionidovenonènecessariaunamolladichiusuraeincuigliingombririchiestisonominimi.Lavalvolaconsisteditreparti:corpo,membranaeduncoperchioate-nuta.Sottol'azionedell'ariacom-pressa,nelcoperchiolamembranavienepremutacontrolaselladelcorpo,elavalvolasichiudeermeti-camente.Puòvenireimpiegatainentrambeledirezionidiflusso.PECULIARITA'-insensibileaifluidiabrasivi-strutturacompatta-dimensionicontenute-dotatanellaversioneStandarddimembranarinforzatainfibrates-sile.ACCESSORILavalvolapuòesseredotatadeiseguentiaccessori:-limitatoredicorsaconintegratoindicatoreotticodiposizioneecomandomanualediemergenza-valvolapilotaa3vie.ISO-BS-ASTMDM2DM/NOLEGENDAddiametronominaleesternodeltuboinmmDNdiametronominaleinternoinmmPNpressionenominaleinbar(pressionemaxdiesercizioa20°Cinacqua)PNgpesoingrammiPVCclorurodipolivinilerigidoPP-HpolipropileneomopolimeroEPDMelastomeroetilenepropileneFPMfluoroelastomeroPBTpolibutilenetereftalatoPEpolietilenePAMXD6poli-m-xileneadipamidednominaloutsidediameterofthepipeinmmDNnominalinternaldiameterinmmnominalpressureinbar(max.workingpressureat20°C-water)gweightingramsPVCunplasticizedpolyvinylchloridePP-HpolypropylenehomopolymerEPDMethylenepropylenerubberFPMvinylidenefluoriderubberPBTpolybutyleneterephtalatePEpolyethylenePAMXD6poli-m-xileneadipamidedDNPNgPVCPP-HEPDMFPMPBTPEPAMXD6kv100CoefficientediflussoPercoefficientediflussokv100siintendelaportataQinlitrialminutodiacquaa20°Cchegeneraunaperditadicarico∆p=1barperunadeterminataposizionedellavalvola.Ivalorikv100indicatiintabellasiintendonopervalvolacompletamenteaperta.kv100Flowcoefficientkv100isthenumberoflitresperminuteofwateratatemperatureof20°Cthatwillflowthroughthevalvewith∆p=1bardifferential-pressureataspecifiedposition.Thekv100valuesshowninthetablearecalculatedwiththevalvecompletelyopen.(mm)(mm)20°Ckv100kv10020°C1kv1003DM/NODatiTecniciTechnicalData21-40-20020406080°Cbarworkingtemperatureworkingpressure08462PPPVC3kv100d202532405063DN15202532405093136175300416766WorkingPressuremax8barControlpressure10barControlfunctionNOControlfluidtemperature*Max50°CDiaphragmmaterialEPDM-NBR*ThecontrolfluidmustbecleanandneutralVariazionedellapressioneinfunzionedellatemperaturaperacquaofluidinonpericolosineiconfrontideiqualiilmaterialeèclassificatoCHIMICAMENTERESISTENTE.Inaltricasièrichiestaun’adeguatadiminuzionedellapressionenominalePN.(25anniconfattoredisicurezza).Pressure/temperatureratingforwaterandharmlessfluidstowhichthematerialisRESISTANT.InothercasesareductionoftheratedPNisrequired.(25yearswithsafetyfactor).1Pressionedicomandoinfunzionedellapressionediesercizio.Controlpressurerelativetoworkingpressure.2Flowcoefficientkv100(seeLegenda)Coefficientediflussokv100(vediLegenda)3PN25kv1004DM/NODimensioniDimensionsTheFIPdiaphragmvalveisavailableinthefollowingversions,whosecouplingcomplywiththefollowingstandards:SolventweldingPVC:ISO727,EN1452,DIN8063,BS4346/1,ASTM2467/76a.CouplingtopipescomplyingwithISO161/1,EN1452,DIN8062,NFT54-016,BS3506,BS3505,ASTMD1785/76.Threadedcoupling:UNI-ISO228/1,DIN2999,BS21.Flangedcouplings:ISO2084,EN1452,DIN8063,ASAANSIB.16.5150.LavalvolaamembranaFIPèdisponibilenelleseguentiversioni,icuiattacchisonoinaccordoconleseguentinorme:IncollaggioPVC:ISO727,EN1452,DIN8063,BS4346/1,ASTM2467/76a.AccoppiabilicontubisecondoISO161/1,EN1452,DIN8062,NFT54-016,BS3506,BS3505,ASTMD1785/76.Filettatura:UNI-ISO228/1,DIN2999,BS21.Flangiatura:ISO2084,EN1452,DIN8063,ASAANSIB.16.5150.DMDV/NODMDM/NOVALVOLAAMEMBRANAACOMANDOPNEUMATICONormalmenteApertaConattacchimaschio,seriemetricaPVC,PP-HDIAPHRAGMVALVEPNEUMATICALLYACTUATEDNormallyOpenwithmetricseriesspigotendsPVC,PP-HPVC,PP-HdDNPNBB1HhH1IJLRag201586626124127625M6161/4450252086626144127625M6191/4450322586626154127625M6221/44504032894401741810044.5M8261/410005040894401941810044.5M8311/4100063508113402241811544.5M8381/41600FIPPVCISO727,EN1452,DIN8063,BS4346/1,ASTM2467/76aISO161/1EN1452DIN8062,,NFT54-016,BS3506,BS3505,ASTMD1785/76UNI-ISO228/1,DIN2999,BS21ISO2084,EN1452,DIN8063,ASAANSIB.16.51505DM/NODMUIV/NODMUIM/NOPVC,PP-HVALVOLAAMEMB