Usually we use euroroll roller or Interroll roller. The move is very smooth, and capacity is good. Also you can adjust the size of passage freely, can work in the temperature low to -40 degree.
Flow through racking is mainly used for transportation and storage system. It cnn be used for slide rail, guide rail. When the cargo is heavy than desired capacity, we can install many rollers in one passage. The diagonal angel is according the weight and depth of rollers, usually it’s 3-6 degree.
As a professional supplier of flow through racking, T Racking export a lot of mezzanine floor to Australia, New Zealand, South Africa, UK,…etc.