It is of horizontal type, cylindrical shape, executed in black steel ; welding operations are carried out by certified welders. The minimization of heat losses is ensured by a rock wool covering of 80 mm thick, covered with an external protective cover made of stainless steel sheet; it is made up of two (02) parts: the feed water tank and the degassing dome. It is manufactured according to international standards, and monitored at all stages of manufacture by our engineers, in addition to our quality control service.