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Technical details
• NominalpressurePN10...63,class150/300
• NominaldiameterDN150...2000
• Fieldsofapplications:Water,airregulationinwaste-watertreatmentplants
• Standardversion:BodymadeofEN-GJS-400-15(GGG-40)ductileiron,pistonmadeof1.4301stainlesssteel,withanadaptedcontroldevice,wormgearunitandpositionindicator
• Actuatortypes:- Withamanualactuator- Withanelectricalactuator- Withanhydraulicactuator- Withapneumaticactuator
• Insideandoutsideepoxycoating
• Specialversions:- Withaslottedcylindertoregulatehighpressuredifferencesinwaterwithhighsolids(„SZ“)
- Withamultipleorificecylindertoregulatehighpressuredifferences(„LH“)
- Withaspecialcylinder,adaptedtocustomerrequirements- Withadoublecylinderforveryhighpressuredifferences- Withacut-offedgeandasuddenenlargementofthecross-sectionalareaattheseat(„E“)
• Cavitation-freeoperationprovidedbyoptimaldesign
Product features
• Valvesealintheno-flowzoneforalongservicelife.
• Drivewithaself-lockingwormgearunitwithaconstanttrans-missionratioforalinearcontrolcurveinconnectionwithanoptimalcontroldevice.
• Onepiece,compactbodyacrossthefullnominalwidth,thusreducingthenumberofcomponentsandeliminatingpotentialleakpath.
• Hard-facedbronzeguidesforlowoperatingforceswhichalsopreventthepistonfromjamming.
• Balancedpistonforminimaloperatingforces.
• MultipleO-ringsealsforprimaryandsecondarypistonsealing.
• Thevalvecanbeservicedanddismantledwithoutremovingitfromthepipelineifthepipesaresizedforeasyaccessibility.
• Innerpartsmadeofstainlesssteelasastandard(DN150...DN600).
• Quadringconstructionnotsensitivetodepositsonthepiston.
• Valvehighlyefficientthankstoanoptimiseddesignandflowpath.
• Connectingrodinstalledinmaintenance-free,robustbronze/plasticcompoundbushes.
Externalprofilesealingring
Body
Pistonsealedwithaquadring
Self-lubricatingbearinginthepistonrod
Bronzeguiderails
Self-lockingWormgearunit
ClosedbearingsealedwithO-rings-bronzebearingbushesonbothsides
VAG RIKO® Plunger valve
Technical details
• Nominalpressure:PN 10/16,class150
• Nominaldiameter:DN 150...1000
• Fieldsofapplication:Water
• Self-acting,suitableforindependentoperationwithoutanexternalsupplyofenergy;thevalveisoperatedbyitsownmediumviapilotvalve;pressuredifferenceofmediumprovidesthenecessarytorqueforoperation
• Thevalvecontrolsahigherinletpressuretoalower,constantoutletpressure-independentlyofdeviationsoffloworinletpressure
• Standardversion:BodymadeofEN-GJS-400-15(GGG-40)ductileiron,pistonmadeof1.4301stainlesssteel
• Cylinder:stainlesssteel,guidesmadeofbronze
• Insideandoutsideepoxycoating
• Witharegulatingcylinder,adaptedtocustomerrequirements
• Cavitation-freeoperationprovidedbyoptimaldesign
• Specialversionsonrequest
Product features
• Valvesealintheno-flowzoneforalongservicelife.
• Hard-facedbronzeguidesforlowoperatingforceswhichalsopreventthepistonfromjamming.
• Balancedpistonforminimaloperatingforces.
• Thevalvecanbeservicedanddismantledwithoutremovingitfromthepipelineifthepipesaresizedforeasyaccessibility.
• Innerpartsmadeofstainlesssteelasastandard(DN 150...600).
• Quadringconstructionnotsensitivetodepositsonthepiston.
• Valvehighlyefficientthankstoanoptimizeddesignandflowpath.
• Leverwithtwobearings,notransmissionofforcesonvalvebearing.
• Fine-poredfilterwithinspectionglassandshut-offvalveforvisualizingthecontaminationlevelinthecontrolcircuit.Flushingalsopossibleinoperationwhileinstalled.
• Leverandcounterweightinmodulardesignforindividualdimensioningaccordinghydraulicconditions.
VAG RIKO® Plunger valve with own-medium control
Self-lubricatingbearinginthepistonrod
Pilotvalve
Filterwithinspectionglassandstopvalve
Valvesealintheno-flowzone
Bronzeguiderails
Pistonsealedwithaquadring
Leverandcounterweightinmodulardesign
Technical details
• NominalpressurePN10/16
• NominaldiameterDN50...300
• Fieldofapplication:Water
• Standardversion:BodyandbonnetmadeofEN-GJS-400-15(GGG-40)ductileiron,withanSZ40slottedcylinder
• Self-actingvalve,suitableforindependentoperationwithoutanexternalsupplyofenergy
• InsideandoutsideepoxycoatingaccordingtoGSKspecifi-cations
• Specialversions:- DN≥300onrequest- PN25onrequest
• DiaphragmandsealingmadeofEPDMaccordingtoDVGWW270
Product features
• Weldedvalveseatenhancesresistancetowear,isanti-filtra-tionandpreventsthedevelopmentofcorrosion.
• Replaceablecylindersforbetteradaptationtooperatingcon-ditionsandforcavitation-freeoperation.
• VAGCORFIX®press-fittedthreadedinsertspreventexposedcastareasaroundconnectionsandthedevelopmentofcorrosion.
• Integratedventilationinthebonnetfortheautomaticreleaseoftrappedairandforpreventingpressurefluctuations.
• Preformedmembranewithbeadsealingtopreventinstallationerrors,securesealingofthebodyIntegratedstrokedistancereduceswearandincreasestheusefullife.
• Chambered,profilesealingringonthevalveseat,protectedagainstextractionforguaranteedimpermeability.
• Compactcontrolblockforsettingopeningandclosingstrokespeedsseparatelyinordertoadapttheresponsetimestotheoperatingsituation.
• Fine-poredfilterwithinspectionglassandshut-offvalveforvisualisingthecontaminationlevelinthecontrolcircuit.Flushingalsopossibleinoperationwhileinstalled.
VAGCORFIX®threadedinsertwithO-ringsealing
Positionindicator
Filterwithinspectionglassandshut-offvalve
Weldedvalveseat
Preformeddiaphragmwithbeadsealing
VAG PICO® Pressure reducing valve
Pressurereducingpilotvalve
Stainlesssteelcontrolcircuit
Speedadjustment
Separateconnectedpressuregauge
Integratedventilation
Technical details
• NominalpressurePN10/16
• NominaldiameterDN50...300
• Fieldofapplication:Water
• Standardversions:BodyandbonnetmadeofEN-GJS-400-15(GGG-40)ductileiron,withanSZ40slottedcylinder
• Self-actingvalve,suitableforindependentoperationwithoutanexternalsupplyofenergy
• InsideandoutsideepoxycoatingaccordingtoGSKspecifi-cations
• Specialversions:- DN≥350onrequest- PN25onrequest
• DiaphragmandsealingmadeofEPDMaccordingtoDVGWW270
Product features
• Weldedvalveseatenhancesresistancetowear,isanti-filtra-tionandpreventsthedevelopmentofcorrosion.
• Replaceablecylindersforbetteradaptationtooperatingcon-ditionsandforcavitation-freeoperation.
• VAGCORFIX®press-fittedthreadedinsertspreventexposedcastareasaroundconnectionsandthedevelopmentofcorrosion.
• Integratedventilationinthebonnetfortheautomaticreleaseoftrappedairandforpreventingpressurefluctuations.
• Preformedmembranewithbeadsealingtopreventinstallationerrors,securesealingofthebodyIntegratedstrokedistancereduceswearandincreasestheusefullife.
• Chambered,profilesealingringonthevalveseat,protectedagainstextractionforguaranteedimpermeability.
• Compactcontrolblockforsettingopeningandclosingstrokespeedsseparatelyinordertoadapttheresponsetimestotheoperatingsituation.
• Fine-poredfilterwithinspectionglassandshut-offvalveforvisualisingthecontaminationlevelinthecontrolcircuit.Flushingalsopossibleinoperationwhileinstalled.
VAG PICO® Pressure sustaining valve /discharge valve
PositionindicatorPreformeddiaphragmwithbeadsealing
VAGCORFIX®threadedinsertwithO-ringsealing
Filterwithinspectionglassandshut-offvalve
Weldedvalveseat
Stainlesssteelcontrolcircuit
Separateconnectedpressuregauge
SpeedadjustmentPressuresustainingpilotvalve
Integratedventilation
Technical details
• NominalpressurePN10/16
• NominaldiameterDN50...300
• Fieldofapplication:Water
• Standardversion:BodyandbonnetmadeofEN-GJS-400-15(GGG-40)ductileiron,withanSZ40slottedcylinder
• Self-actingvalve,suitableforindependentoperationwithoutanexternalsupplyofenergy
• InsideandoutsideepoxycoatingaccordingtoGSKspecifi-cations
• Specialversions:- DN≥350onrequest- PN25onrequest
• DiaphragmandsealingmadeofEPDMaccordingtoDVGWW270
Product features
• Weldedvalveseatenhancesresistancetowear,isanti-filtra-tionandpreventsthedevelopmentofcorrosion.
• Replaceablecylindersforbetteradaptationtooperatingcon-ditionsandforcavitation-freeoperation.
• VAGCORFIX®press-fittedthreadedinsertspreventexposedcastareasaroundconnectionsandthedevelopmentofcorrosion.
• Integratedventilationinthebonnetfortheautomaticreleaseoftrappedairandforpreventingpressurefluctuations.
• Preformedmembranewithbeadsealingtopreventinstallationerrors,securesealingofthebodyIntegratedstrokedistancereduceswearandincreasestheusefullife.
• Chambered,profilesealingringonthevalveseat,protectedagainstextractionforguaranteedimpermeability.
• Compactcontrolblockforsettingopeningandclosingstrokespeedsseparatelyinordertoadapttheresponsetimestotheoperatingsituation.
• Fine-poredfilterwithinspectionglassandshut-offvalveforvisualisingthecontaminationlevelinthecontrolcircuit.Flushingalsopossibleinoperationwhileinstalled.
VAG PICO® Float valvePreformeddiaphragmwithbeadsealing
Separateconnectedpressuregauge
Speedadjustment
Floatvalve
Filterwithinspectionglassandshut-offvalve
Weldedvalveseat
VAGCORFIX®threadedinsertwithO-ringsealing
Positionindicator
Integratedventilation
Technical details
• NominalpressurePN10/16
• NominaldiameterDN50...300
• Fieldofapplication:Water
• Standardversion:BodyandbonnetmadeofEN-GJS-400-15(GGG-40)ductileiron,withanSZ40slottedcylinder
• Self-actingvalve,suitableforindependentoperationwithoutanexternalsupplyofenergy
• InsideandoutsideepoxycoatingaccordingtoGSKspecifi-cations
• Specialversions:- DN≥350onrequest- PN25onrequest
• DiaphragmandsealingmadeofEPDMaccordingtoDVGWW270
Product features
• Weldedvalveseatenhancesresistancetowear,isanti-filtra-tionandpreventsthedevelopmentofcorrosion.
• Replaceablecylindersforbetteradaptationtooperatingcon-ditionsandforcavitation-freeoperation.
• VAGCORFIX®press-fittedthreadedinsertspreventexposedcastareasaroundconnectionsandthedevelopmentofcorrosion.
• Integratedventilationinthebonnetfortheautomaticreleaseoftrappedairandforpreventingpressurefluctuations.
• Preformedmembranewithbeadsealingtopreventinstallationerrors,securesealingofthebodyIntegratedstrokedistancereduceswearandincreasestheusefullife.
• Chambered,profilesealingringonthevalveseat,protectedagainstextractionforguaranteedimpermeability.
• Compactcontrolblockforsettingopeningandclosingstrokespeedsseparatelyinordertoadapttheresponsetimestotheoperatingsituation.
• Fine-poredfilterwithinspectionglassandshut-offvalveforvisualisingthecontaminationlevelinthecontrolcircuit.Flushingalsopossibleinoperationwhileinstalled.
VAG PICO® Level control valve
Positionindicator
Preformeddiaphragmwithbeadsealing
Levelcontrolvalve
Filterwithinspectionglassandshut-offvalve
Separateconnectedpressuregauge
Speedadjustment
Integratedventilation
Weldedvalveseat
VAGCORFIX®threadedinsertwithO-ringsealing
VAG DURA Control valve
Technical details
• NominalpressurePN16
• NominaldiameterDN50…150
• Fieldofapplication:Water
• Standardversion:BodyandbonnetmadeofEN-GJS-400-15(GGG-40),valvesealsmadeofEPDMaccordingtoDVGWW270;stem,slottedcylinderandcompensationcylindermadeofStainlesssteel,Stembearingmadeofbrass
• Actuatortypes:- Withamanualgearbox- Withelectricalactuator
• InsideandoutsideepoxycoatingaccordingtoGSKspecifi-cations
• Specialversions:- PN25onrequest- Specialmaterialsavailableonrequest- Slottedcylinderadaptedtooperatingconditions
Product features
• Weldedvalveseatenhancesresistancetowear,isanti-filtra-tionandpreventsthedevelopmentofcorrosion.
• Replaceablecylindersforbetteradaptationtooperatingcon-ditionsandforcavitation-freeoperation.
• VAGCORFIX®press-fittedthreadedinsertspreventexposedcastareasaroundconnectionsandthedevelopmentofcorrosion.
• Chambered,profilesealingringonthevalveseat,protectedagainstextractionforguaranteedimpermeability.
• Lowactuatingtorqueduetopressurebalancedcompensationcylinder.
• Sealsreplaceablewithoutdisassemblingthevalvefromthepipeline.
• Retrofittingfrommanualoperationtoelectricactuatorcanbeeasilydone.
VAGCORFIX®threadedinsertwithO-ringsealing
Replaceableslottedcylinder
EpoxycoatingaccordingtoGSKqualityspecifications
Compensationcylindersealingwithquadringprofile
Triplestemseal
Weldedvalveseat
Positionindicator
Product features
• Reliablefunctionandlongservicelifeduetocavitation-freedischargeinallcontrolpositions.
• Intensiveenergyconversionthroughumbrella-likebreakingofthejetstream.
• Veryhighdischargecapacityandpreciseregulationwithmostlylinearregulationcharacteristics.
• Cylindricalsleevewithadjustableslidingblockguidesforbetteradjustmentofthecylindricalsleevetopreventsluggishopera-tion.Furthermore,theadjustableslidingblockguidepreventsvibration,whichhasapositiveeffectonthelifeexpectationofthevalve.
• Noriskofdamagetothestructurebyvibration,astheflowisonlydisruptedatthefrontedgesothattherearenopartialseparationsoftheflowinsidethedischargevalve.
• Reliableandrobustsealingsystemwithprimarymetallicandsecondaryresilientsealing,makingthesystemparticularlydurable.
• Easytomaintain,because- sealingcanbereplacedwithoutdismantlingthevalve,- exterioractuatorpartsareeasytomaintainandreplace.
• Noclampingpowertoimpedemovementandunhinderedopeningmovementthroughlongguideandexteriordrivespindles.
• Verysmallactuatorsizesandlowpowerconsumptionduetolowoperatingtorques(largelyrelievedfrompressure).
Technical details
• Nominalpressure- Standardmodel:max.100 mWC(10 bar)incombinationwithvariousconnectingflanges
- Greater nominal pressures can be supplied as special con-structionsuponrequest
• NominaldiametersofDN 400...3000(DN>2000uponrequest)
• Application:Water
• Standardversion:Slidingrailatthefrontandback,holdingdevice,seatringandjacketpipeonthecylindricalsleevemadeofstainlesssteel,bodyasaweldedconstructionmadeofS355J2
• Insideandoutsideepoxycoating
• Actuatortypes:- Withamanualgearbox- Withelectricalactuator- Withhydraulicactuator
• Specialversions:- Withapipehood- Withaventingsystem- Coatingspecifiedbycustomer
Adjustableslidingblock
Slidingrail
Doublebevelgearing
Exteriorseatring
Exteriordrivespindle
VAG KSSplus Hollow-jet discharge valve
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17-0
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Fordetailedinformationaboutnominaldiameters,nominalpressuresandtypesthetechnicaldocumentationKAT-Aisauthoritative•Thepicturesarenon-binding
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Reference projects