balancing valves catalogue

Balancing Valves

CATALOGUE

HIGH-PRECISIONBALANCING

BRONZE THREADEDSTATIC BALANCING VALVE

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2DUYAR T-3010 Fixed Orifice Threaded Static Balancing Valve, Thishigh-precisionandreliablestaticbalancingvalvecombineswithitsperfectdesigncharacteristicsofaflowregulationvalve,lineshut-offvalveandflowmeasuringpoint.Duetoitsbronzebodyitembodiesbothpropertiesofsafetyandsuperiortemperatureresistance. Itcanbeusedsafelyinallpressureheating,coolingandpotablewaterinstallationsupto25bar. T-3010 Threaded Static Balancing Valve Basic Properties Specialorificedesignthatenablesflowregulationwitha1%precision. Workingtemperaturedifference:-10~+120C Workingpressureclass:PN25(25Bar) ForDN1/2and3/4BS2779(ISO228), ForDN1-11/4-2EN10266(ISO7)femalethreadedconnection For1/2and3/4dimensionsmetal-metal,between1~2dimensionsmetaltoPTFE Hex-headlockingbolthiddeninthehandwheel (allowstheclosureofthevalve,doesnotallowopening) Precisehandwheelcirclesettingscaleprotectedthroughatransparentplasticwindow Alldimensionsbetween1/2~2openfullyatcycle4,0

Dimensions

DESCR. MATERIAL

Body Bronze

Bonnet Brass

Stem-Disc Brass

Materials

DN 15 20 25 32 40 50

L 1/2 3/4 1 1 1/4 1 1/2 2

L 87 96 100 114 125 146

H 105 106 127 128 143 144

D 70,5 70,5 70,5 70,5 70,5 70,5

T-3010 THREADED STATIC BALANCING VALVE

1/2 (DN 15)

3/4 (DN 20)

THREADED STATIC BALANCING VALVEFLOW CHART

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Differential Pressure kPa DN 15, Flow Chart

Flow Rate, m3/h


Flow Rate, m3/h

41 (DN 25)

1 1/4 (DN 32)



Flow Rate, m3/h


Flow Rate, m3/h


1 1/2 (DN 40)

2 (DN 50)

5


Flow Rate, m3/h


Flow Rate, m3/h

6PRODUCTS FOR THE FUTURE

FLANGEDSTATIC BALANCING VALVE

T-3020 FLANGED STATIC BALANCING VALVE

DUYAR T-3020 Fixed Orifice Flanged Static Balancing Valve Designdevelopedusingthecomputationalfluiddynamicsandincludedintheproductlineafterhavingtheprototypegoingthroughdetailedlaboratorytestsandtestingsunderealinstallationconditions.Itisa100%domesticproduction.Itcanbeusedinallheating,coolingandpotablewatersystemsupto16bar

T-3020 Flanged Static Balancing Valve Basic Properties Ytypeglobebodydesign Flangeconnectionstandard:TSISO7005-2 Facetofacedimensionstandard:EN558,S1 Bodymaterial:EN-JL1040 Dimensions:DN40-DN300 Workingpressureclass:PN16(16Bar) SealingincludesstandardversionofvulcanizedEPDMto metalandoptionallyFKMtometal Fullopeningisenabledat6cyclesforDN40,8cyclesforDN50- 65-80-100,10cyclesforDN125-150.12cyclesforDN200-250and14cyclesforDN300 Interiorandexteriorsurfacesofthebodyarehigh-qualityepoxycoated

Precise SettingForeachcycle20positionsavailable,indica-torwith0,05cyclesteps

Superior sealingWithitsvulcanizedEPDMtometalorvulcanizedFKMtometalsealingitrepresentsaperfectshut-offvalve

ErgonomicsBuilt-inuser-friendlycarryinghandleinte-gratedontheproduct

Excellent results Sincecurvecharacteristicsshowaflowthatincreasesitsstrokeleveluntil50%anddecreasesafter50%;perfectsettingprecisionespeciallyforcylcesabove50%

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8DN 040 (1 1/2)

DN 050 (2)

FLANGED STATIC BALANCING VALVEFLOW DIAGRAMS

Pre-setting

Flo

w R

ate

Vol

um

e, m

3/h

Han

dw

hee

l re

turn

pos

itio

n

Pre-setting

Flo

w R

ate

Vol

um

e, m

3/h

Han

dw

hee

l re

turn

pos

itio

n

Differential Pressure



DN 065 (2 1/2)

DN 080 (3)

9

Pre-setting

Flo

w R

ate

Vol

um

e,m

3/h

Han

dw

hee

l re

turn

pos

itio

n

Pre-setting

Flo

w R

ate

Vol

ume,

m3/h

Han

dw

hee

l re

turn

pos

itio

n



10


DN 100 (4)

DN 125 (5)

Pre-setting

Flo

w R

ate

Vol

ume,

m3/h

Han

dw

hee

l re

turn

pos

itio

n

Pre-setting

Flo

w R

ate

Vol

ume,

m3/h

Han

dw

hee

l re

turn

pos

itio

n




DN 150 (6)

DN 200 (8)

11

Pre-setting

Flo

w R

ate

Vol

ume,

m3/h

Han

dw

hee

l re

turn

pos

itio

n

Pre-setting

Flo

w R

ate

Vol

ume,

m3/h

Han

dw

hee

l re

turn

pos

itio

n



12


DN 250 (10)

DN 300 (12)

Pre-setting

Flo

w R

ate

Vol

ume,

m3/h

Han

dw

hee

l re

turn

pos

itio

n

Pre-setting

Flo

w R

ate

Vol

ume,

m3/h

Han

dw

hee

l re

turn

pos

itio

n



T-4095 BALANCING INSTRUMENT

Basically the instrument consists of 3 interfaces:

Flow meterThesensormeasuresdifferentialpressure(-P)connectinginstantlytothebalancingvalves.EquippedwithaBluetoothreceiver/transmitterunit.Designedaswaterproofandshock-resistant.

Hand terminal IncludesWindowsMobileOperationSystemandSmartBalancingProgram.Receivesdifferentialpressure(-P)dataconnectingtotheflowmeterviaBluetoothandconvertsitintoinstantflow.Internalmemorycomparespresentflowcharacteristicsofknownbalancingvalvesanddeterminesthevalveposition.Insystembalancingoperationsyoucansavetheoperatedvalvesandgenerateaproject.YoucanconnectviaBluetoothbothtoyourcomputerandpersonalnotebook.

Connection accessories Theseconsistofmeasuringhosesandneedlesthatareconnectedtotheflowmeterandbalancingvalve.Bothhoseshavequick-connectionunits.Needlesthatenableconnectiontothemeasuringportsofthevalvecontainalatchlockingsysteminsteadoftheclassicboltlockingsystem.Thisallowsafastconnectionanddismantling.

Whenconnectedtotheflowmeterandbalancingvalvesyoucanmonitoronyourhandterminalgraphicallytheinstantflowandcomparethisdatawiththeflowsmemorizedinthesystemofotherbalancingvalves.YoucanperformastandardmeasuringwithpresetKvvaluesorbyintroducingspecialKvvalues.

Smart Balancing T-4095 Balancing Instrument InadditiontotheDuyarThreadedFlangedStaticBalancingValvesitcomprisesflowdataformostoftheexistingbalancingvalvesonthemarketandenablesthesettingandputtingintooperationofalmostallbalancingvalves.TheinstrumentisequippedwithBluetoothwirelesstechnology.

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14

HIGHER FLOW RATES WITH AUTOMATIC BALANCING

WAFER / LUGDYNAMIC BALANCING VALVE

DUYAR T-4020 Composite plastic stainless steel cartridgeWafer / Lug Dynamic Balancing Valve

Designedforautomaticbalancingapplicationsofheatingandcoolingsystems.Applicableespeciallyinzoneandmainreturnlines.

T-4020 Wafer / Lug Dynamic Balancing Valve General Characteristics:

Cartridgeisreplaceableandfeaturesnon-blockingandself-cleaningproperties.ProvidedthatitstayswithinthePdifference,asdeterminedforthevalve,the cartridgemaintainsthefluidatafixedflowrateevenunderunstablepressure conditionsDuetoitswaferandlugconnectionsthemountingiseasierandrequiresless spacethanflangedversions Workingtemperaturedifference:-10~+100C Workingpressureclass:PN16(16Bar)(OptionallyavailablealsoasPN25)Dimensions:DN65/80-100-125-150-200-250-300 Pressureplugdimensions:1/4NPT Bodyinstallationconnection Wafer(DN65/80,DN125,DN250,DN300)Lug(DN100,DN150,DN200)MaterialsBody:GG25greycastiron CartridgeBody:POM(PolyOxyMethoylene) CartridgeOrifice:SS316StainlesssteelCartridgeSpring:SS316Stainlesssteel DUYART-4020DynamicBalancingValve,Meetsallofyourflowraterequirements1 cartridgexminimum0,89l/s=0,89l/sfordn65/8019piecesofcartridgexmaximum11,67l/s=221,73l/sforDN300

DN 65/80 Wafer type dynamic Balancing Valve

Body connection type:Wafer Cartridge Number / Type: 1pc./Bigsize

DN 100 Lug Type Dynamic Balancing Valve

Body connection type:LugBS4504 Cartridge Number / Type: 3pcs./Bigsize

T-4020WAFER / LUG DYNAMIC BALANCING VALVE

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16

DN 125 Wafer Type Dynamic Balancing Valve

Body connection type:Wafer Cartridge Number / Type: 3pc./Bigsize






Body connection type:Lug Cartridge Number / Type: 14pcs./Bigsize


Body connection type:Lug Cartridge Number / Type: 19pcs./Bigsize

T-4020WAFER / LUG DYNAMIC BALANCING VALVE

Function Eachoneofthedynamicbalancingvalvecartridgeshasaspeciallycutorificespace(flowareaofthefluid)andfixedwithaSS316stainlesssteelspringontothecompositebody;itcontainsamovingcylinder.

Designedtomaintainafixedflowratevalueinadetermineddifferentialpressure(P).IfthepressurediffersfromthePvalueofthedynamicbalancingvalve,theflowratewilldeviatefromthedesiredvalue.

Thebasicflowvaluecanbesimplifiedasfollows:Q=A*PQ:Q:FlowrateA:flowareaPdifferentialpressure(pressuredifference)

Thecartridgehasbeendesigned(withinthedefinedPdifference)tochangetheorificeareainordertomaintainafixedflowratevalue.WhencrossingthePdifferencethecartridgeactslikeafixedorificeandtheflowrateshowsvariability.

AsitcanbeseeninthefigurewhenselectingtherightcartridgeacorrectflowratecanbeobtainedwithinthedefinedPdifference.Thus,evenifthesystemcontainsavariableflowratethebalancingvalvebalancesautomaticallythewholesystem. Cartridge selection 1-Pdifferencedefinestheminimumandmaximumdifferentialpressurevaluethatthevalvewillfaceintheinstallationlinetanmlar.

Afterdefiningthisvalue,youcanusetheflowratetableandselectthecartridgethatcomprisesthedefinedminimumandmaximumvalues.

2-TheflowrateshouldbeselectedfromthevariousflowratesthatliewithinthedefinedPdifferenceasindicatedinthetableandwithreferencetotheclosestflowratevalueofyourproject;thecartridgeshouldbeselectedcorrespondingly.

FLOW WHITE BLUE REDLiter / second Liter / hour 50-135 kPa - -

7,917 28.500 W2025 - -9,722 35.000 W2040 - -11.666 42.000 W2050 - -

FLOW WHITE BLUE REDLiter / second Litre / hour 30-135 kPa 55-210 kPa 80-390 kPa

5,680 20.450 W2010 B20106,940 25.000 W20208,210 29.545 W2030 B20208,520 30.662 B203010,140 36.50010,560 38.000 - R2010

FLOW WHITE BLUE REDLiter/Second Liter/Hour 15-85 kPa 22-210 kPa 40-390 kPa

3,540 12.750 W12203,580 12.900 R11003,640 13.100 B1 1703,690 13.300 W12303,780 13.600 W1240 B11803,940 14.200 B11904,000 14.400 R11104,110 14.800 B12004,190 15.100 R11204,280 15.400 B12104,420 15 900 B1220 R11304,560 16.400 B12304,630 16.650 R11404,720 17.000 B12404,830 17.400 R11505,030 18 100 R11605,250 18.900 R1 1705,360 19.300 R11805.470 19.700 R11905,690 20.500 R12005,890 21 200 R12105,970 21 500 R12206,100 21.970 R12306.25 0 22.500 R1240

FLOW WHITE BLUE REDLiter / Second Liter / Hour 15-85 kPa 22-210 kPa 40-390 kPa

0,890 3.200 W10101,000 3.600 W1020 R11001,090 3.925 B10101,140 4.100 W10301,250 4.500 W1040 B10201,390 5.000 W10501,430 5.150 B10301,470 5.3001,510 5.450 W10601,580 5.680 B10401,640 5 910 W10701,690 6.075 R11201,740 6.250 B10501,760 6.350 W10801,890 6.800 W1090 B1060 R11302,010 7.250 W11002,060 7.400 B10702,100 7.575 R11402,150 7.750 W11102,210 7.950 B10802,280 8 200 W11202,310 8.325 R11502,370 8.525 B10902,400 8.650 W11302,500 9.000 W1140 B1100 R11602,640 9.500 W11502,680 9.650 B11102,740 9.8502,780 10.000 W11602,850 10.250 B11002,920 10.500 W11702,960 10.650 R11703,000 10.800 B11303,030 10.900 W11803,130 11.250 W1190 B1140 R11803,280 11 800 W12003,320 11.950 B11503,380 12.150 R11903,420 12.300 W12103,470 12.500 B1160

CARTRIDGES

Cartridge Table

17

Function Eachoneofthedynamicbalancingvalvecartridgeshasaspeciallycutorificespace(flowareaofthefluid)andfixedwithaSS316stainlesssteelspringontothecompositebody;itcontainsamovingcylinder.

Designedtomaintainafixedflowratevalueinadetermineddifferentialpressure(P).IfthepressurediffersfromthePvalueofthedynamicbalancingvalve,theflowratewilldeviatefromthedesiredvalue.

Thebasicflowvaluecanbesimplifiedasfollows:Q=A*PQ:Q:FlowrateA:flowareaPdifferentialpressure(pressuredifference)

Thecartridgehasbeendesigned(withinthedefinedPdifference)tochangetheorificeareainordertomaintainafixedflowratevalue.WhencrossingthePdifferencethecartridgeactslikeafixedorificeandtheflowrateshowsvariability.

AsitcanbeseeninthefigurewhenselectingtherightcartridgeacorrectflowratecanbeobtainedwithinthedefinedPdifference.Thus,evenifthesystemcontainsavariableflowratethebalancingvalvebalancesautomaticallythewholesystem. Cartridge selection 1-Pdifferencedefinestheminimumandmaximumdifferentialpressurevaluethatthevalvewillfaceintheinstallationlinetanmlar.

Afterdefiningthisvalue,youcanusetheflowratetableandselectthecartridgethatcomprisesthedefinedminimumandmaximumvalues.

2-TheflowrateshouldbeselectedfromthevariousflowratesthatliewithinthedefinedPdifferenceasindicatedinthetableandwithreferencetotheclosestflowratevalueofyourproject;thecartridgeshouldbeselectedcorrespondingly.

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Why are we balancing?

Thepressuredifferenceofvalvesandheatingequipmentswithinaninstallationlineshowvariety,inconnectionwiththedistancetothepump,causedbyfrictionlossesinthepipes.

Sendingthedesiredflowratetothemostremoteequipmentcanbeachievedonlybyapplyingmorepumppowerthannecessary.Thus,equipmentsthatareneartothepumpwillbesubjectedtoexcessiveflowratewhereasotherinstrumentswilllackthenecessaryflowrate.Thereforeadequateheatingorcoolingcannotbeachieved.

Old method: Balancing with pipe diameter

Duringthedesignprocessitisnotpossibletocalculatethepressuredropcausedbyfrictionwithineachpipecircuit.Duetothestandardizedpipediametersitisimpossibletoelecttherightpipediameterfortherightflowrate.

Reverse Return Balancing System

Enablesforeachequipmentsamepipelength.Althoughitcapturesalmostthedesignflowrates,howeveritisratheracostlysolutionduetothedoublepipeworkmanshipandtheadditionalpiperequirement.

System Balancing Using Balancing Valve

A - Static (Manuel) Balancing B - Dynamic (Automatic) Balancing

Whenthesettingofthemanualbalancingvalvechangesinthe

system,notonlytheflowrateofthisequipmentthatusesthe

balancingvalvewillchangebutalsothegeneralflowrateofotherpipes. Eachbranch,colonandmainpipelinerequiresadditionalStaticBalancing

Valves.

Theflowratepassingthroughstaticbalancingvalveinthesystemmustbe

adjustedandputintooperationmeasuredindividually.

Whenthesettingofautomaticbalancingvalvechanges,onlytheflow rateoftheequipmentthatusesthebalancingvalvewillchange,other equipmentswillnotbeaffected. Branch,colonandmainlinesdontrequireDynamicBalancingValve

Itwillbesufficienttoinstallitontheequipment. Dependingontheprojectthecartridgecanbeselectedandordered

andthevalveswillbemounteduponthesecartridgesandinstalled inthesystem.Nosettingormeasuringisrequiredwhenputtinginto operationthesystem. Causeslessresistanceandlesspressureloss.

Unable to maintain flow rate

Unneccessaryenergy

Incorrect balancng

Correct but an expensive method

TECHNICAL INFORMATION INSYSTEM BALANCING

RawsystemswithoutanyflowrateapplicationaswellastodaysHVACsystemscanbebalancedwithmoderntechnologicalbalancingequipmentsinsteadofmethodssuchasreachingtheflowratewithincreasedpumppower,insufficientbalancingbyusingpipedimensionsandexpensivebalancingwithreversereturnmethod.

Installation recommendations

Duringinstallationpayattentiontothearrowdirection onthevalve,theinstallationshouldbeperformed accordingtotheflowdirection

Tomaintainlinearflowyouneedtoleaveapipedistance ofPipediameterx3

Thevalveisgoingtobeusedrightafterthepumpyou mustleaveadistance,pipediameterx10

Theneedlemeasuringportsandhandwheelofthe staticbalancingvalveshouldbeinstalledaccordingly leavingfreeaccess

Measuringportsshouldnotbecoveredduring insulation

Iffreeaccessispossiblemeasuringportsshouldbe installedupwardsinordertoavoidaccumulationofdirt intheinstallationlines

Ifbalancingvalveisinstalledinreturnline,thedrainage ofthesystemcanberealizedincaseofamalfunction

Ifflowratecannotbeachievedduetoamalfunctionin thesystem,thesourceoftheproblemcanbedetected easier.

Typek Fancoil Installation

Balancing Type Flow Characteristics Comparison Chart

TECHNICAL INFORMATION INSYSTEM BALANCING

Shut-offBallValvePislik

:Strainer

2wayMotorizedValve

2Pipe

Fancoil

4Pipe

Fancoil

StaticBalancingValve

DynamicBalancingValve

4 Borulu Sistem

2 Pipe System

Flow

FluidFlowLine

Or

Or

Or

Drain

Drain

FluidReturnLine

FluidFlowLine(Heating)

FluidFlowLine(cooling)

FluidReturnLine(Heating)

FluidReturnLine(cooling)

BalancingValveson2pipesystemsareselectedaccordingtoCoolingLoad)

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COMPLETE PACKAGE FOR YOUR BALANCING SOLUTIONS

DUYAR BALANCING VALVES

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Address: Uur Mumcu Mah. 2347 Sk. No:7Sultangazi, 34265 Istanbul, TurkeyTel : +90 212 668 18 08Fax:+90 212 594 73 42

www.duyarvalve.com [email protected]

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