Automax Valve Automation Systems Pneumatic Actuators and ...

flowserve.comRG SeriesHeavy-Duty Scotch Yoke Actuator20% higher break torqueInterchangeable Yoke SystemSymmetrical YokeFeatures• Hard Chrome Plated Cylinder Walls• Symmetrical and Canted Yoke• Guide Bar Yoke Support• Dual DD Cylinder OptionCanted Yoke• Field Reversible Action• Overrides, Line Break and Special Controls• ESD Performance• Ductile iron casting• Totally enclosed yoke slot forincreased strength and cyclelife• Canted yoke results in approx.20% higher break torque• 2 keyway provision for flexibilityof parallel orperpendicular mountingOverride OptionsSpring Module design facilitates field retrofittingof jackscrew or hydraulic overridesSlider BlockInduction hardened and hard chromeplated yoke pin with aluminum bronzeslider blocks minimize contact stressand ensure high cycle life.Steel Guide BarHard chrome plated alloysteel guide bar providesoptimal support of thetransverse loads.Spring ModulePull-to-compress, concentric-nesteddesign utilizes high strength alloyspring steel to maintain consistenttorque output (over time) and promotehigh cycle life performance.Pull RodSpring pull rod is over-sized to resist impactloads and hard chrome plated to providesuperior corrosion and wear resistance.Bidirectional Travel StopsAllow precise adjustment of open andclosed positions, ensuring valve shutoffand optimizing seat life.Torque ModuleModular with symmetrical flanges and female outputdrive. Provided with dual accessory mounting padsand compliant to international ISO/MSS and NAMURmounting specifications15