The PU cable tray manufacturer tells you that the cable tray is a product derived from protecting cables. It is a protective shell for cables and prevents them from being damaged by external factors. The PU cable tray manufacturer tells you that it is mainly composed of brackets, supporting arms and installation accessories. The main types of bridges can be divided into ladder bridges, non-porous pallet bridges (trough bridges), perforated pallet bridges (tray cable bridges), etc. 

Generally speaking, the types of bridges are: cable tray without holes (trough cable tray), ladder bridge, cable tray with holes (tray bridge).
Trough cable tray: Trough cable tray is a fully enclosed cable tray. It is most suitable for laying computer cables, communication cables, thermocouple cables and other control cables for highly sensitive systems. The manufacturer of PU cable tray tells you that it has a good effect on the shielding interference of control cables and the protection of cables in heavy corrosion environments.
Ladder-type cable tray: It looks like a ladder, and the middle is welded with a cross bar to reinforce the support, which makes it light in weight, low in cost, strong in bearing capacity, and good in air permeability. Generally, it will be used for laying cables with relatively large diameters and high and low power cables. arrive.
Tray-type cable tray: The tray-type cable tray is a semi-sealed type. The PU cable tray manufacturer tells you that it is very similar to the galvanized trough-type tray. It has the advantages of light weight, large load, beautiful appearance, simple structure, and convenient installation.