Basic Documentation

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Description
DesignedforusewithFlowritevalves,theFlowrite12-inch
PneumaticValveActuatorisavailablewithtwostemstrokes,
3/4-inch(20mm)strokeand1-1/2-inch(40mm).
Features
• Completelyenclosedactuatorhousingprotectsthediaphragm,
springs,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
Applications
TheFlowrite12-inchPneumaticValveActuatorisdesignedtobe
usedwithFlowritevalvesinliquidandsteamserviceapplications.
Specications
Effective Diaphragm Area ..............................................90in.
2
(580cm
2
)
Diaphragm Material ......................................................................Buna-N
Nominal Spring Range
 FixedSpan ....................................................................... 5psig(34kPa)
 AdjustableStartPoint .....................................3to10psig(21to69kPa)
 FactorySetting .................................................3to8psig(21to55kPa)
Nominal Stroke ...............................................3/4or1-1/2”(20or40mm)
Max. Diaphragm Pressure ............................................. 35psig(241kPa)
Air Connection ............................................................................. 1/4”NPT
Medium Temperature .........................................25to366°F(-4to186°C)
Ambient Operating and
Storage Temperature ............................................. 35to180°F(2to85°C)
Mounting Location ................................................ NEMA1(InteriorOnly)
12" Pneumatic Valve Actuator
ForLiquidandSteam