Basic Documentation

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Description
DesignedforusewithFlowritevalves,theFlowrite8-inch
PneumaticValveActuatorhasa3/4-inch(20mm)strokeand
isavailablewithtwodiaphragmoptionsfornormaldutyand
high-temperatureservice.
Features
• Completelyenclosedactuatorhousingprotectsthediaphragm,
spring,andstartpointadjuster
• Apositioningrelayisavailablefactory-mountedonvalveand
actuatorassenbliesorasanaccessory
• Field-adjustablestartpointforsequencing
• Easy-to-install
• LegendaryFlowriteperformance
Option
• High-temperaturemodel
Applications
TheFlowrite8-inchPneumaticValveActuatorisdesignedtobeused
withtheFlowritevalvesinliquidandsteamserviceapplications.
8" Pneumatic Valve Actuator
ForLiquidandSteam
Specications
Effective Diaphragm Area ..............................................28in.
2
(180cm
2
)
Diaphragm Material
 Standard ......................................................................................Buna-N
 HighTemp .................................................................................. Silicone
Temperature Range
NormalDutyService ..........................................25to300°F(-4to149°C)
 High-TemperatureService .................................25to366°F(-4to186°C)
Nominal Spring Range
FixedSpanStandard ......................................................... 5psig(34kPa)
 FixedSpanHighTemp .................................................... 10psig(69kPa)
 AdjustableStartPoint ......................................3to10psig(21to69kPa)
 FactorySettingStandard ...................................3to8psig(21to55kPa)
 FactorySettingHighTemp ...........................10to20psig(69to138kPa)
Nominal Stroke .................................................................... 3/4”(20mm)
Max. Diaphragm Pressure ............................................. 35psig(241kPa)
Air Connection ............................................................................. 1/8”NPT
Ambient Operating and
Storage Temperature ............................................. 35to180°F(2to85°C)
Mounting Location ................................................ NEMA1(InteriorOnly)