Becker – RPDA Rotary Piston – Double Acting Actuator

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The Becker Rotary Piston Double Acting (RPDA) Actuator is designed for heavy duty control applications that require optimum performance. The RPDA actuator incorporates a crank-arm mechanism specifically designed for the rigors of throttling control valve applications. The RPDA actuator can accept high pressure power supply gas up to 400 psig (2758 kPa) enabling the use of smaller actuators or Baker Hughes' exclusive Bleed to Pressure System (BPS) feature.


  • Bleed to Pressure System* can eliminate bleed gas emissions

  • Retrofits to almost any pipeline valve

  • High pressure RPDA accepts natural gas up to 500 psig (3,447 kPa)

  • Upright actuator design saves space and promotes longer actuator piston seal life

  • Designed to be maintenance free

  • All RPDAs come equipped with a precision linear scale that indicates valve position in ten degree increments

  • Crank-arm design actuators specifically suited for control valve applications

  • May be mounted in any orientation

  • Optimized low center of gravity to minimize effects of application vibration and in-service wear to enable long installed life

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