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Manufacturer of custom-made long-span cable trays

Long-span cable trays are produced by specialized manufacturers such as Tongyang Electric, Spina Group, Atkore International, and the Niedax Group, offering high load capacity and extended support spans for industrial applications.Leading Manufacturers and Suppliers

Tongyang Electric specializes in long-span cable trays designed for heavy-duty industrial and mining applications, including petrochemical, textile, metallurgy, and power industries. Their trays feature increased load capacity, longer support spans, and structural durability suitable for both indoor and outdoor installations, as well as underground projects like subways and civil air defense systems . Spina Group (Schiavetti Tekno), based in Italy, manufactures stainless steel, galvanized, and wire-mesh cable trays. They offer ladder, perforated, and closed-bottom types, with custom sizes and compatibility with Unistrut systems. Their products are designed for high mechanical resistance, ventilation, and long-term performance in demanding industrial environments . Niedax Group provides a wide range of cable management systems, including steel, aluminum, PVC, and GRP trays. They focus on complete solutions for ceilings, walls, and floors, with technical consulting, planning, and installation support. Their global presence ensures availability and service in over 30 countries . Atkore International is a major manufacturer of cable trays and infrastructure products, offering galvanized, stainless steel, and fiberglass options. They provide both standard and custom roll-formed trays suitable for large-scale industrial projects, with extended warranties and global distribution .

Product Types and Materials

Long-span cable trays are available in various materials and designs to meet specific project requirements:

  • Ladder trays: Open structure for heavy-duty cables, excellent ventilation, and easy access.
  • Perforated trays: Lightweight, good for medium loads, and allow heat dissipation.
  • GRP (Glass-Reinforced Polyester) trays: Corrosion-resistant, suitable for chemical or outdoor environments.
  • Steel and aluminum trays: High strength, suitable for industrial and infrastructure projects.
  • Fire-resistant and compact busway options: For specialized safety and electrical requirements .
Advantages of Long-Span Cable Trays
  • Extended support spans reduce the number of supports needed, saving materials and installation time.
  • High load capacity allows safe routing of heavy and large cables.
  • Versatility for indoor, outdoor, and underground installations.
  • Durability in harsh industrial environments, including resistance to corrosion, heat, and mechanical stress . These manufacturers and product types provide reliable solutions for industrial, infrastructure, and energy projects requiring long-span cable management systems.
Manufacturer of custom-made long-span cable trays

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TECHNICAL AND SIZING DATA

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40-foot spans reduce support requirements For cable tray applications lacking sufficient space for the number of supports required

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Engineered Cable Trays for Data Centers| Marlin Steel

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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