... Storage Systems, selective pallet rack, shelving pallet racks,beam rack1), The most popular and economical racking in ... distance 50mm or 75mm;3), Box beam or step beam used. Beam can be freely adjusted by pitch ... 75mm;4), Connection of the upright and beam is by wedging, equipped with safety pin ... of handling equipment and building structures;8), First level pallets can be placed on the floor;9 ...