SUBMERGED ARC WELDING-Set UpSubmerged arc welding system consists of the following basic modules:1. Welding head2. Power source3. Flux feeding and recovery unitsSchematic diagram of submerged arc welding is shown in Fig., arc cavity, weld metal and molten slag locations are illustrated in a cross section of SAW process. General arrangement of submerged arc welding is given in Fig. Continuous wire feeding, flux delivery and power source connections are shown in this diagram.