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DYNACTAIR EVO

DYNACTAIR EVO

Single-acting pneumatic actuator for mounting on quarter-turn valves with ISO 5211 compliant shaft ends (butterfly valves or ball valves). Actuator flange to ISO 5211. Control pressure up to 8 bar. Force transmission via scotch-yoke kinematics provides output torques of up to 4000 Nm which are ideal for actuating quarter-turn valves. Reset to fail-safe position in case of control air failure is effected by means of spring assemblies. Equipped with a visual position indicator and, depending on the actuator size, adjustable travel stops for closed position or open/closed position as standard. Optional separate or integrated emergency manual override. Suitable for mounting control unit type series AMTROBOX, AMTRONIC U, SMARTRONIC U or any other device with an interface to VDI/VDE 3845.
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Main Applications

  • Water
  • Waste water
  • Energy
  • Industry

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Benefits

  • Actuator for all types of quarter-turn valves (butterfly valves, ball/plug valves)
  • Position indicator and one or several adjustable travel stops
  • Unlike rack-and-pinion kinematics, the actuator’s scotch yoke mechanism delivers peak torque at both valve opening and closure.

    Sectional Drawings

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    KSB - one of the world's leading manufacturers of industrial valves and pumps

    Founded in 1871 in Frankenthal (Germany), KSB has been one of the leading suppliers of pumps and industrial valves for over 150 years. With more than 15,000 employees worldwide and its own sales and marketing, manufacturing facilities and service operations, KSB develops and produces custom-fit pumps for various applications.

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