Type : Motor : On/Off or Modulating
Torque : 450 N
Application : On/Off & Modulating
Voltage : AC 24 & 220
Controlli Motorized Valve Actuator MVB series is On/Off and Modulating up to 450 N. Power : AC 220 & AC 24 V. Input Signal : 4 ~ 20mA or SPDT Switch. Used for small size Valve 1/2" to 2".
http://www.controlli.com.ro/en/Electro-thermal-actuator-MVB56-p373c86c136.html