Electric valve actuator CMA

quarter-turnmulti-turnpart-turn

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.