1 February 3061E The small and powerful safety valve for CO2 systems 1 February 202128 July 2021adminNews 3061EThe small and powerful safety valve for CO2 systemsCastel, as a consolidated partner for CO2 applications, has developed the 3061E series as an affordablesafety valve suitable for many installations. 3061E THE SMALL AND POWERFUL SAFETY VALVE FOR CO2 SYSTEMS Download