Specifications Floats are used to keep the liquid's surface on a specific level. Examples of float applications are tanks of industrial plants, refineries, ships, hydraulic systems, ventilator systems etc. Technical Characteristics The production of floats is accomplished according to engineering designs or samples, supplied by the customers. There are three basic float categories: spherical, cylindrical and plane. The selection of the suitable material depends on the application. Stainless steel is used for corrosive environment applications. Copper and bronze are used to reduce the possibility of ignition.