Double-seated globe control valve
TDCseriesTwo-waydouble-seatedglobecontrolvalve
Size:1.5”~16”(DN40-400)
PressureRating:150～600LB(PN16~PN100)
Applicabletemperaturerange:-196C°～550C°
BodyMaterials:CarbonSteel,StainlessSteel
Connection:Flangedend,Butt-weldingend
Operation:PneumaticDiaphragm,PneumaticPiston,ElectricActuator
TDCSeriescontrolvalveisanexcellentchoiceforapplicationsinvolvingdirtyfluidscombinedwithhigh-pressuredrops.Sometypicalserviceconditionsandoperatingrequirementsinclude:
DTSseriesDouble-seatedcontrolvalvecombinesexcellenthigh-pressuredropcontrolperformancealongwiththeabilitytohandledirtyfluidapplications.Thedualportdesignprovidesapressurebalancedeffectwithinthevalve,whichreducesactuatorsizeandthrustrequirements.
Dynamicforceonplugtendstobebalancedasflowtendstoopenoneportandclosetheother.Reverse-ActingdoubleportedGlobe-Stylevalvebodiesnormallyhavehighercapacitythansingle-portedvalvesofsamelinesize.
Manydouble-portedbodiesreverse,sothevalveplugcanbeinstallaseitherpushdowntoopenorpushdowntoclose.
Metaltometalseatingofdouble-seatedcontrolvalveusuallyprovidesonlyClassIIshutoffcapability,althoughClassIIIcapabilityisalsopossible.
Port-guidedvalveplugsfromTHINKTANKareoftenusedforon-offorlow-pressurethrottlingservice.Topandbottomguidedvalveplugsfurnishstableoperationforsevereserviceconditions.
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