STA73

Electrothermal actuator for valves on radiators, small valves and PICVs, standard version with connection cable (1 m), Normally Closed, AC/DC 24 V power supply, 100 N force, 270° visible position indicator, mounted via a sliding sleeve (bayonet), no maintenance required, completely silent, IP54. It consists of a thermostatic expansion element which, once it receives the 24 V command, causes a plunger to extend and push down the valve stem, overcoming the counter-spring of the valve body itself. The actuator can also be controlled using PWM technology.