Process oven followers are sized the usage of the extent of the oven shape and a preferred temperature gradient in the work area. The range of air modifications per minute will end result in the required air float circulation for the fans. The burner is chosen to warmness this quantity of air and the oven structure, plus the work to be baked or warmness treated. Designers ought to figure out if they want to have single or more than one recirculation fans. The batch kind oven typically makes use of smaller single followers and large, continuous-operation ovens commonly use a couple of fans. If the workspace for the oven consists of good sized headroom, mounting the followers on top of the oven in a separate heater residence commonly outcomes in saving flooring space. In this large oven case, a lengthy shaft air package is a clean, neat fan installation. If the followers have to be set up in the oven wall, the plug fan format is desirable. The plug followers are succesful of greater efficiencies and excessive pressures. Multiple followers permit for counter rotation of air currents which some designers experience offers a higher temperature gradient.