Powder Coating Plant Manufacturing Deciding about the plant that will meet your demands relay on your budget, the space you dedicate for the plant installation, your production capacity, weight and the dimensions of the items to be painted. According to method of operation, Painting Systems can be divided into 4 main groups; 1- Manual Systems 2- Semi-Automatic Systems 3- Automatic Systems 4- PLC Controlled Full Automatic Systems 1- Manual Systems are Water Based Units: a- Manual Dip Type Pretreatment Lines The items are immersed in the dipping tanks that full of water to clean them from oil and dirt stuck on them. After the rinsing stage the phosphate is applied to them (chromate if the items are made from aluminum). The items are in a basket or hanged while phosphating. Then, using a lift the baskets are immersed into the tanks, wait for the estimated time according to each process. After phosphating process is over baskets are sent to the drying oven.