Domestic Hot Water Storage Cylinder used for storing DHW (Domestic Hot Water), Max. working pressure 6 - 10 bar, Working Temprature: 95 C, Manufactured to PED 97/23/EC, Available Capacity (300 lit through 5000 lit). Materials: Expanded Rigid Polyurethane with 95% closed cells thickness 40 mm, External finish: white skay (300 to 500 lit), Expanded open cells polyurethane thickness 50 mm, External finish: white skay (1500 to 5000 lit).