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| Company Info. |
| Hebei Bending Fence Technology Co., Ltd |
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Bending Aluminium perforated cable tray features a lightweight aluminium alloy structure with ventilation holes, excellent corrosion resistance and heat dissipation, widely used for orderly cable laying in commercial, industrial and public engineering projects.
| Category | Parameter / Standard | Typical Range / Details | Remarks |
| Basic Type | Type | Perforated Cable Tray / Ventilated Cable Tray | Also known as channel cable tray |
| Width | Width | 50 – 1,200 mm | Common widths: 50, 100, 150, 200, 300, 400, 450, 500, 600, 700, 800, 900, 1000, 1200 mm |
| Side Rail Height | Side Rail Height | 25 – 300 mm | Typical heights: 25, 30, 40, 50, 60, 75, 100, 110, 150, 200, 250, 300 mm |
| Standard Length | Length | 2,000 mm / 3,000 mm / 6,000 mm | Common: 2m, 3m, 6m; also 10 ft (3050 mm); custom lengths available |
| Material Thickness | Thickness (Al) | 0.6 – 3.0 mm | 1.0 mm for 50–100 mm width; 1.5 mm for 200–500 mm; 2.0 mm for 600–700 mm; 2.5 mm for 800–1000 mm. Equivalent SWG: 18, 16, 14 |
| Material Grade | Alloy Grade | 6063-T6, 6061, 6005A | 6063-T6 is the most common – good strength, lightweight, excellent corrosion resistance |
| Surface Finish | Finish | Anodised / Powder coated / Mill finish | Natural oxide film provides self-healing; additional coating is optional |
| Perforation Pattern | Hole Shape | Round / Elliptical / Slotted | e.g., 2.25” round holes; or slotted 7×32 mm, 7×20 mm |
| Open Area | Perforation Ratio | 15 – 30% (typical), up to 30–50% max | Standard design 15–30%; high ventilation applications (e.g., data centres) 30–50% |
| Load Class (IEC 61537) | Load Rating | Class A: ≤50 kg/m | Perforated trays typically lower load capacity than ladder trays; suitable for instrumentation, data cables |
| Class B: ≤100 kg/m | |||
| Class C: ≤150 kg/m | |||
| Class D: ≤200 kg/m | |||
| Safe Working Load (SWL) | SWL | 25 – 75 kg/m @ typical span | About 50–60% of the ladder-type tray of the same dimensions, depending on support spacing |
| Maximum Support Span | Span Length | ≤3.0 – 6.0 m | Perforated trays have shorter max spans than ladder trays; they can be increased by thicker material |
| Thermal Conductivity | Thermal Conductivity | 237 W/(m·K) | ~5 times higher than steel – excellent heat dissipation |
| Weight | Weight (approx.) | 4 – 8 kg/m (depending on size) | Example: 110 mm × 200 mm → ~4.3 kg/m; 110 mm × 600 mm → ~8.21 kg/m. About 1/3 of the weight of steel trays |
| Operating Temperature | Temperature Range | –40°C to +120°C | Stable mechanical properties; specific range depends on alloy and finish |
| Application | Recommended Width | Side Rail Height | Thickness | Open Area | Load Class |
| Instrument/control cables | 100–300 mm | 50–60 mm | 1.0–1.5 mm | 15–25% | A / B |
| Data/fibre optic cabling | 200–450 mm | 60–100 mm | 1.2–1.5 mm | 25–40% | B |
| Power cables (light to medium) | 300–600 mm | 100–150 mm | 1.5–2.0 mm | 15–30% | B / C |
| Chemical/marine environment | 200–900 mm | 50–150 mm | 1.5–2.5 mm | 15–30% | depends on span |
| Commercial building distribution | 150–450 mm | 50–75 mm | 1.0–1.5 mm | 20–30% | A / B |
| Industrial plant | 300–900 mm | 100–200 mm | 2.0–3.0 mm | 15–25% | B / C |
Rooftop PV plant (Shanghai): Lightweight aluminium perforated trays enabled fast rooftop installation and provided excellent corrosion resistance for coastal outdoor solar cabling.
Smelter modernisation (Russia): Aluminium trays delivered a 30‑year service life in aggressive industrial conditions, far outlasting galvanised steel.
Airport & railway stations (various transit terminals): Perforated trays ensured superior heat dissipation and easy maintenance for dense power, security, and communication cables.
Data centres (Thailand telecom project): High thermal conductivity (237 W/m·K) and open perforations reduced heat buildup and cooling loads in high‑density server rooms.
Commercial & smart buildings (large centres/offices): At half the weight of steel, aluminium perforated trays lowered building structural loads and enabled quick reconfiguration for tenant changes.
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