electric valve actuator / quarter-turn / multi-turn / part-turn
CMA

Add to MyDirectIndustry favorites
Compare this product
electric valve actuator / quarter-turn / multi-turn / part-turn electric valve actuator / quarter-turn / multi-turn / part-turn - CMA
  • Electric valve actuator / quarter-turn / multi-turn / part-turn
{{requestButtons}}

Characteristics

  • Type:

    electric

  • Movement:

    quarter-turn, multi-turn, part-turn, linear

  • Other characteristics:

    compact, modulating

  • Torque:

    Min.: 0 Nm (0 ft.lb)

    Max.: 124 Nm (91 ft.lb)

  • Actuator force:

    Min.: 0 N

    Max.: 20,017 N

Description

Compact modulating control valve actuators

CMA range modulating actuators deliver a series of sizes suitable for linear, part-turn and multi-turn control valve and pump applications requiring precise position control and continuous modulation.

The Rotork CMA Range provides for simple, safe and easy set-up via an internal electronic 6-segment LCD display and push button configuration.

Compact modulating actuators for precise position control and modulation applications

Accurate and repeatable position control using 4 to 20 mA signal withup to 0.1% accuracy
Explosionproof to international standards
Adjustable speed control
Suitable for mounting in any orientation
Optimised for linear, part-turn and multi-turn control valve and pump applications
Permanently lubricated, maintenance-free drive train
Optional Reserve Power Pack (RPP) supercapacitors for fail to position functionality
Brushless DC motor provides reliable, accurate, continuous modulation capability
Encoder technology provides dependable contactless feedback
Less than 1 watt standby power
Suitable for 1-phase or DC power supplies
Built-in interface allows for quick and simple setup via six-segment LCD display and push buttons
Optional integral Local Controls and positional display
Compatible with a wide variety of fieldbus, hardwired and analogue site systems
Linear: up to 20,017 N (4,500 lbf) seating thrust
Part-turn: up to 124 Nm (1,100 lbf.in) seating torque
Multi-turn: up to 45 Nm (400 lbf.in) rated torque

Rotork is independent of valve manufacturers allowing us to work with a wide variety of valve makers and manufacturers worldwide.