"CAL-PRO ITALY
CAL-PRO: membrane expansion vessels for centralized closed circuits, suitable for absorbing the increase in water volume as a function of the temperature increase in a heating system. Equipped with SBR rubber membrane, they are built and approved according to the PED 2014/68 / EU standard for central heating systems with non-drinking water.
Technical features
Maximum working pressure mod. 4-8 liters 5 bar
Maximum working pressure mod. 12-50 liters 4 bar
Maximum working pressure mod. 80-800 liters 6 bar
Operating temperature -10 / + 99 C
Preload factor 1.5 bar
MEASURES
DIAMETER 404 MM
HEIGHT 408 MM
THREAD 3 / 4G
LITERS 35"