Basic Documentation

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Three-Way Globe Valves
1/2to2"
Mixing
ANSIClass250
Description
Designedtoworkwitheitherpneumaticorelectronicactuatorswith
a3/4-inch(20mm)stroke,theFlowriteThree-wayGlobeValvesare
availableinANSIClass250.
Features
• Direct-coupled,universalbonnet
• Equalpercentage(NCport)orlinearow(NOport)
characteristics
• Brassorstainlesssteeltrim
• Acceptsany3/4-inchFlowritepneumaticor
electronicactuator
• Greaterthan100:1rangeability
• ANSILeakageClassIV(0.01%ofCv)
• Cartridge-typepackingforeasyservice
• FxForUFxUFendconnectionsavailable
• Orderableasavalveonlyorasacomplete
valve/actuatorassembly
Applications
FlowriteThree-wayGlobeValvesarerecommendedformixing
applications.Theupperportisclosedinthenormalstemup,failed
position.Thelowerportisopeninthestemupposition.
Thisvalvecanalsobeusedforthrottlingorbypasscoilcontrol
application.However,apumpisrecommendedonthecoilcircuit
toimprovetheheattransfercharacteristicofthecoilandforfreeze
protection.
Tousethisvalveasadivertingvalve,contactyourlocal
representativeformoreinformation.
Specications
Valve Size ..............................................................1/2to2”(15to50mm)
Body Style ................................................... Globe-styleControlValvewith
 TwoConnectionOptions
Seat Style ............................................................................ MetaltoMetal
Action ............................................................................Three-wayMixing
Stem Travel (Stroke) ............................................................ 3/4”(20mm)
Valve Body Rating .............................................................. ANSIClass250
Material
 Body ......................................................................... UNSCA844Bronze
 Trim ......................................................................BrassorStainlessSteel
 Stem ............................................... StainlessSteelASTIMA582Type303
 Packing .............................................................................. EPDMO-rings
Operating
 ControlledMedium ..............................Water,GlycolSolutionsupto50%
 MediumTemperatureRange ..............................20to250°F(-7to120°C)
Max. Recommended Differential Pressure for Modulating Service
 BrassTrim ...................................................................... 25psi(173kPa)
 StainlessSteelTrim ........................................................ 50psi(345kPa)
Max. Inlet Pressure ..................................... RefertotheReferenceSection
Rangeability ..................................................................................>100:1
Close-off Ratings .............................................AccordingtoANSI/FCI70-2
Leakage Rate ...........................................................ClassIV(0.01%ofCv)
Flow Characteristics
Equal percentage for NC/Linear for NO
NC C
NO