Hangchi's Cantilever Cable Tray Supports are metal components designed for power and telecommunications engineering projects to support, bear loads, and organize cables. Manufactured from high-quality steel treated with anti-corrosion finishes, these supports ensure orderly cable arrangement and excellent heat dissipation. Cantilever cable tray supports are widely utilized in substations, industrial facilities, municipal utility tunnels, and similar environments.
Product Parameters
Angle Steel Specifications
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Common side widths |
20mm, 25mm, 30mm, 40mm, 50mm, etc. |
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Thickness range |
3mm~5mm (for general applications) or thicker (e.g., 5mm~20mm) |
Support Structure
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Shelf length |
≤0.35m in cable trenches, ≤0.5m in tunnels |
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Interlayer spacing |
≥200mm for high-voltage cables, ≥150mm for low-voltage cables, ≥150mm for control cables. |
Key Features
Long-lasting Corrosion Protection
The cantilever cable tray support utilizes a hot-dip galvanizing process, featuring a zinc coating thickness of ≥65μm that complies with the ISO 1461 standard. We can provide neutral salt spray test reports demonstrating resistance for ≥720 hours, guaranteeing over 25 years of rust-free performance in outdoor environments.
Reliable Load-Bearing Capacity
A single-tier bracket supports an allowable load of 3–5 kN (at a span of ≤1000 mm). Structural calculations are performed in accordance with the GB 50017 standard, and static load test reports are available to verify actual load-bearing capabilities.
Rapid Installation
Featuring a bolted connection design and supplied with matching galvanized fasteners, a single bracket can be assembled in just 10 minutes or less. No welding or cutting of components is required during the installation process.
Flexible Customization
Product lengths can be customized within the range of 200–1000 mm. Inter-layer spacing and connection hole positions can be adjusted according to technical drawings, with tolerances controlled within ±2 mm.
Inspection Process
Raw Material Inspection: Upon arrival at the facility, steel materials are sampled for spectral analysis to verify their grade and chemical composition.
Dimensional Inspection (In-Process): After cold-bending, calipers and templates are used to conduct a comprehensive inspection of cross-sectional dimensions (e.g., width and height). Critical hole positions are verified using "Go/No-Go" gauges, with tolerances controlled within ±1 mm.
Weld Quality Inspection: Welded joints undergo visual inspection, and a 10% sample from each batch is subjected to magnetic particle testing to ensure the absence of defects such as cracks or porosity.
Coating Quality Inspection: After galvanizing, a magnetic thickness gauge is used to perform multi-point sampling on every product batch to measure the zinc coating thickness. Additionally, samples are periodically submitted for neutral salt spray testing to verify corrosion resistance performance.
Final Factory Inspection: Before packaging, the cantilever cable tray supports undergo a final review covering appearance, dimensions, and coating quality. Quantities and specifications are cross-checked; products are released from the factory only after being accompanied by material reports, coating inspection records, and a Certificate of Conformity.
FAQ
Q: What is the lead time for delivery?
A: For standard orders, it is 10–15 days; for customized orders, it is 20–30 days.
Q: Do you offer any corrosion protection processes other than hot-dip galvanizing?
A: Yes, we do. For highly corrosive environments-such as coastal areas or chemical plants-a Dacromet coating is recommended.
Q: What technical parameters are required when placing an order?
A: We suggest providing the following details: ① Cable trench width; ② Cable specifications and quantity; ③ Weight per cable layer or total weight; ④ Installation environment; ⑤ Whether accompanying fasteners are required; ⑥ Any special requirements.
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