VAG Butterfly Valves details • Nominal pressures PN 6 / 10 / 16 • Nominal diameters DN 200…1200 • Fields of application: Water treatment, water distribution • Standard version

VAG Butterfly Valves

Technical details

• NominalpressuresPN10/16/25

• NominaldiametersDN100…4000

• Fieldsofapplication:Watertreatment,waterdistribution,powerplants,dams/hydropower

• StandardversionwithAUMAwormgear,bodyanddiskmadeofductileironEN-GJS-400-15(GGG-40)

• Actuatortypes:- Withmanualactuator- Withelectricactuator- Withhydraulicactuator- Withpneumaticactuator- WithVAGHYsechydraulicbrake-and-liftunitavailableasasafetyvalve

• EpoxycoatingaccordingtoGSKqualityguidelines

• Modelvarieties:- VAGEKN®H300ButterflyValve,standardandAWWA- VAGEKN®H400ButterflyValve,standardandAWWA- VAGEKN®H600ButterflyValve,forpowerplants- VAGEKN®H1100ButterflyValve,fordams/hydropower- VAGEKN®H1200ButterflyValve,turbineinlet

Product features• Designedtomeetthemoststringentrequirements.

• Theinnovativedesignwithpatentedhydrodynamicdisk,enlargedinnerdiameterandpatentedpressurecompensationchannelsminimisespressurelossandturbulencesintheoutletarea.Thisre-ducesenergycostsandthedistancetodownstreaminstallations.

• Thebearingbusheswithself-lubricatingpropertiesensurealongandreliableservicelifeandlowtorques.

• Thestainless-steelshaftsarecompletelyenclosedbydoubleO-ringsealsandclosedbearinglugs–fortheeffectivecorro-sionprotectionofthebearing.

• Thewear-resistant,corrosion-proofandinfiltration-proofseatwithitsoptimisedgeometryandhigh-precisionfinishensuresthedura-bilityoftheentiresealingsystem.

• Thepatentedtapered-pinconnectionensuresthepermanentlybacklash-freeconnectionoftheshaftanddiskandreliabletorquetransmission.Thecompleteenclosureofthetaperedpinsinthediskpreventscorrosion.

• Automaticsealingsystemintheseat.Theoperatingpressuresupportsthesealingeffect–irrespectiveoftheflowdirection.

• Duetoitsmouldedsealingprofile,theprofiledsealingringischam-beredbetweenthediskandtheretainingringandsothereisnoriskoftheprofiledsealingbeingpulledoutevenathighgapvelocities.

• Runnersintheflangeensureoptimumcastingquality.

• Theadvantagesofthedouble-eccentricbearingare:-Optimummovementoftheprofiledsealingringintotheseat,- Considerablereductionoftheshearstressactingonthepro-filedsealingringensuringminimalwearoftheprofiledsealingringandahighsealingforceatlowoperatingtorques,- Reliefoftheloadontheprofiledsealingringwhenthevalveisintheopenposition,- Theprofiledsealingringcanbereplacedwiththevalveintheopenposition.

Automaticsealingsystem

Pressurecompensationchannels

Retainingring

Picture:VAGEKN®H300ButterflyValve,standardtype

O-ringseal

VAG EKN® Butterfly Valve – H-Series New–forthehighestrequirements

Tapered-pinconnection

Runners

Hydrodynamicdisk

Bodyseatwithhigh-alloyweldoverlayand

optimisedgeometry

Technical details• NominalpressuresPN6/10/16

• NominaldiametersDN200…1200

• Fieldsofapplication:Watertreatment,waterdistribution

• Standardversionwithwormgear;bodyanddiskmadeofductileironEN-GJS-400-15(GGG-40)

• Actuatortypes:- Withmanualactuator- Withelectricactuator

• Epoxycoating

Product features

• Basicversionforthemostcommonwatersupplyapplications.

• Seatwithepoxycoating.

• Thestainless-steelshaftsarecompletelyenclosedbydoubleO-ringsealsandclosedbearinglugs–foreffectivecorrosionprotectionofthebearing.

• Theself-lubricationpropertiesofthebearingbushesensurealongandreliableservicelife.

• Automaticsealingsystemintheseat.Theoperatingpressuresupportsthesealingeffect–irrespectiveoftheflowdirection.

• Duetoitsmouldedsealingprofile,theprofiledsealingringischamberedbetweenthediskandtheretainingringandsothereisnoriskoftheprofiledsealingbeingpulledoutevenathighgapvelocities.

• Theadvantagesofthedouble-eccentricbearingare:- Optimummovementofthesealingringintotheseat;- Considerablereductionoftheshearstressactingonthepro-filedsealingringensuringminimalwearoftheprofiledseal-ingringandahighsealingforceatlowoperatingtorques;

- Reliefoftheloadontheprofiledsealingringwhenthevalveisintheopenposition,

- Theprofiledsealingringcanbereplacedwiththevalveintheopenposition.

VAG EKN® Butterfly Valve – B-Series Newasabasicversion

Seatwithepoxycoating

Picture:VAGEKN®B300ButterflyValve,standardtype(exampleequipment)

Notizen

[email protected]

Reference projects

Fordetailedinformationaboutnominaldiameters,nominalpressuresandtypesthetechnicaldocumentationKAT-Aisauthoritative•Thepicturesarenon-binding

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Documents

VAG Butterfly Valves details • Nominal pressures PN 6 / 10 / 16 • Nominal diameters DN 200…1200 • Fields of application: Water treatment, water distribution • Standard version