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cable tray ITEMMATERIALLENTGTH(MM)WIDTH(MM)HIGH(MM)MESH SIZE(mm)DIAMETER(MM)wire mesh cable traysSTEEL3000300301000X503.9Brief Introduction of Cable Tray Systems: Wire mesh cable trays are used extensively for data cables and low voltage installations, steel wire tray has become increasingly popular with installers thanks to its ease of use, flexibility and lightweight structure. They are appropriate for Sensitive cables such as control cables, optical cables, telecommunication cables, etc. Features and Benefits of Wire Mesh Cable Trays: 1. Low cost. 2. Light in weight. 3. Easy for line check and cleaning. 4. Easy maintained. 5. Fast heat dispersion. 6. Cables can be secured to clamps or ties. 7. Flexible and fast installation. 8. Safe-T-Edge design to protect cables. 9. Strong enough to withstand short circuits. Manufacturing Optional Material: Black Steel, Stainless Steel, Aluminium, Alloy, Fibreglass Reinforced Plastic (FRP) Mode: Top curved / Top Straight Surface Finish: Zinc-plating, Hot-dip Galvanizing (HDG), Powder-coated, Pickled & Passivated. Color: Optional We are able to design styles in various specifications according to the drawings and/or samples by the clients. Suggestions: 1). MATERIAL The choice of materials is a matter of the physical and mechanical properties produced by each, compared against the intended function, as well as the environment, in which the trays are to be installed. 2). SURFACE FINISH: A). Zinc-plating cable trays are suitable for indoor use. The place where cold zinc-plating cable trays would work should be dry, ventilated, and corrosion free. B). Hot-dip Galvanizing (HDG) cable trays are suitable for outdoor use. They should be used in a place where there is no acid, alkali and salty substance in case of short working life. C). Powder-coated cable trays should be carried out in alkali and salt corrosion free site. D). Pickled & Passivated should be used to stainless steel wire trays. Specification for power and communications cabling containment. 1). SCOPE Steel Wire Cable Tray conforming to the material and performance of this specification. 2). GENERAL A). Cable tray shall be manufactured from steel wires, welded together and bent into final shape prior to surface treatment. B). Surface Treatments: i). Electro zinc plated to BSEN 12329-2000 for interior use (level 2) ii). Hot Dipped Galvanised with between 60 and 80 microns of zinc to BS 729. iii). Stainless Steel AFNOREZ CND 17.2 (AISI 316L) C). Steel Wire Cable Tray Widths & Depths i). Cable Tray dimensions are all internal. ii). Depths of 30mm, 54mm, 80mm, 105mm & 150mm iii). Widths of 50mm, 100mm, 150mm, 200mm, 300mm, 400mm 450mm, 500mm & 600mm for depths of 30mm & 54mm. iv). Widths of 100mm, 150mm, 200mm, 300mm 400mm & 500mm for Depths of 105mm & 150mm All trays are of 3005mm long 3). SPECIFICATION a). Steel Wire Cable Tray will be produced from lateral and longitudinal sidewall steel wires, with minimum diameters of -: 4 mm for trays of widths up to 150mm 4.5 mm for trays of widths of 200mm 5.0 mm for trays of widths of 300mm 6.0 mm for trays of widths of 400mm, 450mm, 500mm and 600mm b). Trays will be manufactured with a longitudinal T-welded safety edge along the top wire of the sidewall (excluding CF3050) c). Trays will be constructed with a 50mm x 100mm mesh configuration. d). All tray fittings (e.g. changes in direction, level and size) shall be constructed on site, to the manufacturers instructions, using side action bolt croppers and fastened using 25mm and 30mm counter clamps with M6 bolts and nuts, all surface treated as the tray. e). Trays will be coupled together using either a fast spring coupler or a 25mm/30mm counter clamp combination with supporting lateral splice plate on trays over 300mm width. The coupling will have the same surface finish as the tray. f). Trays shall be supported at a maximum span of 2.5m by trapeze, wall, floor or channel mounting methods and will not exceed maximum loads as specified by the manufacturer. g). All welds will be manufactured to an average minimum tensile strength of 500Kg per weld. 4. TESTS, CERTIFICATION AND CONFORMITY a). Loading and deflection characteristics of the tray should be tested and the results published in accordance with the European Standard CEI/61537. b). Suitability for the support of Cat6 data cabling should be demonstrated by way of independent test verification. c). Fire test certification should be published in accordance with the E30/E90 standard. S