STA23

Electrothermal actuator for radiator valves, small valves and PICV, standard version with connection cable (1 m), Normally Closed, AC 230 V power supply, 100 N force, position indicator visible within 270°, mounting by means of a sliding sleeve (bayonet), no maintenance required, completely silent, IP54. It consists of a thermostatic expansion element which, once it receives the 230 Vac command, causes a piston to protrude and push down the valve stem, all while overcoming the opposing spring of the valve body itself.