Piston Rings are use in sealed cells eliminates the presence of an open mirror electrolyte, which increases the environmental safety of the process and improves the working conditions of staff. Installation includes a system of tanks for the preparation and storage of electrolytes, degreasing preparations before chrome plating, rinsing after degreasing and coating, pipes and pumps for the electrolyte in the cell and drain it to the tank, as well as equipment for the control and automatic control of process parameters chrome plating.