Mesh troughs

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Mesh troughs

Mesh trays are an alternative to perforated trays and ladders. Their base is usually galvanized wire, hot-dip galvanized or made of stainless steel. Commercially available products of various widths and heights of side walls, creating systems joined together in rigid and durable routes by means of ceiling and wall holders as well as screw, screwless and mixed joints.

Mesh tray system - cable and wire routing

Mesh tray systems are an ideal solution in electrical installations that are implemented differently than flush-mounted or surface-mounted. They allow for quick and economical routing, while providing excellent ventilation and heat dissipation. In addition to straight horizontal sections, system manufacturers also offer branching devices, bends, vertical troughs, as well as various types of connections in the form of quick couplers, clamps and screws, as well as slings and mounting brackets.

Installation of mesh trays to walls, ceilings and floors

Mesh channels, depending on the possibilities offered by individual manufacturers, can be mounted to ceilings, walls and even floors. Sometimes the electrical installation is realized using only ceiling or wall suspensions, in other cases all possibilities are combined.

The trays are usually suspended from the ceiling by means of hangers and threaded wires with brackets on which the trays are fixed. The trays are fixed to the walls with the use of special wall brackets, while some systems also have brackets wall and ceiling, which can be used depending on the needs. If the manufacturer allows for the installation of floor trays, these sections are placed at distances specially designed for this purpose.

Most often, the connections of trays with fasteners are made in the form of screws, however, individual companies also offer other connections (snap, press-fit, etc.).

Longitudinal connections and partitions - methods of implementation

Cable management on long sections, e.g. in industrial installations, requires the use of many trays joined together longitudinally, even over several dozen meters. Therefore, the easy implementation of straight section connections is of great importance for installers who particularly appreciate the snap-on connector for the simplicity and speed of making a stable connection in a screwless form. Another way of making quick connections is the use of quick couplings.

Screwless connections are also appreciated by fitters in the case of partitions - this element is also often used over long distances, therefore the snap connections of both partitions between them and partitions with trays facilitate and significantly accelerate the work. Of course, not all systems offer screwless connections - screws are usually used for high loads on cable trays and cables with larger cross-sections.

Crossings, reductions and bends as well as vertical assembly of mesh trays

The mesh tray systems available on the market offer various components. Some manufacturers provide only straight sections of channels and bends, and the installer makes the necessary connections himself, others offer ready-made tees or cross-pieces that connect to straight sections in the same way as straight sections between each other. Apart from intersections, the horizontal change of cable routes is possible by means of bends. In this case, the finished arched elements are connected with straight sections. If the lines change direction at right angles, use ready-made angles or connect two trays yourself by cutting part of the side.

A similar approach can be observed in the case of reduction. Some systems have ready-made adapters, others have to be made by yourself by cutting out a part of the bottom of the tray and bending the sides to fit the required widths. Mesh channels can be installed vertically, fixing them, for example, to the steel structures of the building. In this case, the cable trays are used similarly to ladders, fixing vertical sections of cables and wires with the help of specially designed grips.

In addition to the most basic elements of mesh tray systems, individual manufacturers sometimes offer more advanced accessories that enable the creation of very complex cable routes.