Pneumatic ball transfers, rails, stops & linear rollers. Pneumatic Ball units allow air driven positioning of the omnidirectional ball transfers & may be individually arranged for a flexible, modular conveying plane, Having an option to add the PS25 Positioning Stops that are also pneumatically activated to stop & hold the position of the conveyed item. PS25 positioning stops are pneumatically activated to stop & hold the position of the conveyed item. Units rated with a maximum air supply pressure of ≤3.4 bar support loads of up to 200 Kgs/rail whilst those rated at ≤6 bar air supply support up to 2500 Kgs/rail.