STP23/00

Electrothermal actuator for radiator valves, small valves, and PICVs, cable-free version, Normally Open, AC 230 V power supply, 100 N force, 270° visible position indicator, mounting with 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 extend and push down the valve stem, all while overcoming the opposing spring of the valve body itself.