Omega FT-50 User guide

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SPECIFICATIONS StepOne

AboutThisManual:PLEASEREADTHEENTIREMANUALPRIORTOINSTALLINGORUSINGTHISPRODUCT.

Dimensions:
SideView: TopView:

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Components:Checktomakesurethatallthepartsareincludedinthekitbeforeproceeding.Oneflowswitch
fitting(FT‐50series)includesthefollowingparts:

1–FlowSwitchFitting

 FT‐51‐PolypropyleneFitting
 FT‐52‐PolyvinylideneFluorideFitting
1–O‐ringforsensor

Specifications:

Housingmaterials: FT‐51:Polypropylene

FT‐52:PolyvinylideneFluoride
Insertionport: Locatedonbottom
Temperaturerating: F:32to194°

C:0to90°
Pressurerating: 150psi@25°C,derated@1.644psiper°Cabove25°C
Connections: 3/8”NPT,Female

Compatibility:TheFT‐50seriesflowswitchfittingiscompatiblewiththefollowingseriesofflowswitches
fromOmegaEngineering:

 FST‐210‐R
 FST‐211‐SPST
 FST‐212‐R
 FST‐212‐SPST

INSTALLATION StepTwo

MakeaFail‐SafeSystem:Designafail‐safesystemthat accommodatesthepossibility ofsensororpower

failure.Incritical applications, Flowline recommends the use of redundant backup systemsandalarmsin
additiontotheprimarysystem.

AbouttheFlowSwitch Fitting:Omega Engineering’sFlowSwitchFittingisdesignedforusewiththeOmega
EngineeringThermal Dispersion liquid flowswitch (FST‐200 series).A veryeconomical and accurate method
ofsensingflowiscreatedwhenusingtheFT‐50serieswiththeFST‐200seriesflowswitch.Liquidsfrom0.4to

1.2 SG and a 1 to 300 cp
monitored.The3/8”NPTfemaleinletsallowforeasyconnectionstolinesizesfrom1/8”to½”.

can be monitored.Also,pulsating flows from 10 to 100 pulses per minute can be

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FT‐50 series unique design creases
a vortex inside its chamber.The
vortex uses its stored energy to
create a flow pattern.This design
isidealfor pulsating flows and low
flowconditions.

User’sResponsibilityforSafety:FLOWLINEmanufacturesseveralmodelsofflowswitchesandliquidlevel

sensors, controller and mounting systems.It is the user’s responsibility to select components that are
appropriatefor the application, install it properly, perform tests of the installed system,and maintain all
components.Thefailuretodo

Proper Installation and Handling:Use a proper sealant with all installations.Never over tighten the

sensor within the fitting beyond a maximum of 80 inch‐pounds torque.Always check for leaks prior to
systemstart‐up.

Insertthe FT50 into the ¾” NPT sensor port taking care to orientate the
twotemperatureprobesperpendiculartotheflowofthevortex.

Note:Besuretoremove/bleedallairfromtheinsideofthe chamberfor
operationoftheflowswitch.

Note:Theflowswitchfittingcanbemountedinanyorientation.

socouldresultinpropertydamageorseriousinjury.

MaterialCompatibility:Theflowswitchfittingisavailable intwodifferentwettedmaterials.ModelFT‐51

ismadeofPP(polypropylene,apolyolefin).ModelFT‐52ismadeofPVDF(PolyvinylideneFluoride).Make
surethattheapplicationliquidsarecompatiblewiththematerialsthatwillbewetted.

FlammableorExplosiveApplications: TheFT‐50seriesfitting maybeusedwithinflammable orexplosive

applications. In hazardous applications, use redundant measurement and control points, each having a
differentsensingtechnology.

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