Rotork CMA Compact modulating control valve actuator

Details

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