™Electric ActuatorRedRoundRotaryReliable4R™
FPKTypically4 PlacesøN x Q DeepMTypically4 PlacesSpinner NotShown SeeNote 2BAllow 3.38 [86]For Cover RemovalHoles For#10-24 UNC[M5]4 PlacesTypically .
TECHNICAL DATASingle Phase MotorsCurrent Rating (Amps)At All Speeds(locked rotor)ModulatingContinuous‡On-OffIntermittent‡OptionalSpeedsActuator Rim Br
SPECIFICATIONSThe electric actuator shall be compactand low–profile to greatly reducespace requirements. The actuatorshall feature ease of access to f
The BrayR4 ElectricActuatorRUGGED ELECTRICACTUATOR FORROTARY VALVES300 TO 6,500 LB-INOUTPUT TORQUEBray Controls’ yearsof proven success inelectric act
EENCLOSURE (A)The R4 waterproof unit is UL NEMA4, 4x listed. Die-cast aluminum coverand base are high-quality polyesterpowder coated for exceptionalco
CONTROL CENTERCONTROL CENTERFEATURESTORQUE LIMITINGSWITCHING SYSTEM (Optional)The torque limiting switching systemconsists of two SPDT mechanicalswitc
CAMS / CAM ADJUSTMENT (C)Bray’s patented cam design is an out-standing feature of the R4. Cams foreach switch are infinitely adjustable byfinger touch
Bray designed the R4to completely separatethe Control Centerfrom the Power Cen-ter. The Power Center,located in the actuatorbase, consists ofmotor, ge
SELF-LOCKINGOUTPUT DRIVE ASSEMBLYThe output drive assembly features aself-locking worm and worm gear drivewhich holds the valve in the desiredposition
MODULATINGACTUATOR FORPRECISION CONTROLOF VALVE POSITIONThe Bray R4 ElectricActuator can beequipped with aServo for precisecontrol of valveposition. T
FEEDBACK POTENTIOMETERThe feedback potentiometer gear hasan over–torque shift engagementwhich operates if the limits of the ac-tive region of the pote
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