Complete List of Large-Span Cable Tray Models
Large span cable trays are designed for heavy-duty, long-distance cable support, available in ladder, channel, and perforated styles with various materials and finishes for industrial and outdoor applications.
Types and Designs
Large span cable trays come in several structural types to accommodate different cable management needs:
- Ladder type: Features rungs for supporting heavy cables and allows easy cable tying and ventilation.
- Channel type: Solid or perforated channels suitable for medium loads and controlled cable routing.
- Perforated type: Offers ventilation and heat dissipation, ideal for sensitive or heat-generating cables . These trays can be configured with straight runs, horizontal bends, tees, crosses, reducers, and vertical bends to create complete cable routing systems .
Materials and Finishes
Large span cable trays are manufactured from durable materials to withstand harsh industrial environments:
- Stainless steel (304/316): High corrosion resistance and strength.
- Aluminum alloy: Lightweight and corrosion-resistant.
- FRP (fiberglass reinforced plastic): Non-conductive and resistant to chemicals . Finishes include pre-galvanized, hot-dipped galvanized, and powder-coated surfaces to enhance corrosion resistance and longevity .
Dimensions and Load Capacity
- Width: Typically ranges from 200mm to 800mm.
- Height: Usually between 60mm and 150mm.
- Support span: Large span trays are engineered for longer distances between supports, reducing the number of hangers and structural elements required while maintaining high load-bearing capacity . These trays are suitable for heavy-duty cables, including power, communication, thermocouple, and control system cables, in both indoor and outdoor industrial settings .
Applications
Large span cable trays are widely used in:
- Industrial plants: Petrochemical, textile, metallurgy, and electric power industries.
- Infrastructure projects: Subways, tunnels, and civil air defense projects.
- Harsh environments: High temperature, humidity, or corrosive conditions due to their heat resistance and corrosion protection .
Accessories and Installation
Installation of large span cable trays often involves corbels, hangers, splice plates, and other fixations to ensure stability and proper load distribution. Covers and system-specific accessories can be added for protection and safety .
Summary
Large span cable trays provide a flexible, durable, and high-capacity solution for routing heavy and sensitive cables over long distances. Their variety in types, materials, finishes, and accessories allows them to be tailored for specific industrial, commercial, and infrastructure applications, ensuring reliable cable management and long service life .
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