3 way valve with spheroidal cast iron body and stainless steel internal parts. 3FSA series valves are used to control fl uids belonging to the group 2 (water, overheated water, steam) in accordance to article 9 of 97/23/CE (PED) directive, in air-conditioning, thermoventilation and heating plants and in industrial processes; therefore, they cannot be used as safety valves. They consist in a 3-way valve body to be  assembled on electrical bidirectional actuator. These valves can be motorized by Controlli actuators MVH and MVE series.