Our tanks are manufactured with a 34CRMO4 steel alloy with high resistance qualities yet reduced weight. They are externally treated for marine environments and protected with a zinc coating and painted with 3 layers of epoxy paint. The body of the tank is yellow and the top is striped black and white in accordance with the ADR regulations. Inside the tank is phosphatized and treated with silica gel at assembly. All our tanks are manufactured according to PED 97/23/EC regulations. All tanks and valves constructed by Sanosub are inspected and come with all necessary inspection documentation required by the CE97/23 law.