A heatable container suitable for material such as bitumen. The container
includes a vessel for holding a flowable material having side wall zones,
end wall zones and a base wall zone. The container also includes a
heating system for transferring heat to at least the base wall zone as
well as a zone disposed along a central longitudinal axis of the vessel.
The heating system may also included at least two internal heating ducts
for conveying a heat transfer medium, wherein the ducts are disposed
substantially parallel relative to the central longitudinal axis of the
vessel, and are vertically and horizontally spaced apart relative to one
another.