Forged Floating Ball Valves typical application is for low-medium pressure classes. Substituting it for the smaller size trunnion mounted ball valve can be a cost-saving method.. They are characterized by simple design, easy maintenance, and low cost, with 2-pcs or 3-pcs body design bolted or screwed.together. It can be manual operated (lever or gearbox ), but also equipped with an actuator (electric, pneumatic, hydraulic, etc.).