This gadget is usually a central slotted display in radial flow reactors. It’s outer area contacts the catalyst layer and it is designed as a slit display screen of triangular wire. This device holds the packing and directs the flow toward the outlet. The Type PRI scallop, in accordance with https://radialflowcenterpipe00099.free-blogz.com/81152735/5-essential-elements-for-wedge-wire-screens