High quality, high strength, robust and durability
Various configurations, materials, sizes and bend angles
Good airflow and heat dissipation for cables
Smooth surface, corrosion resistance, easy cable pulling
Perforated cable tray bend, also known as ventilated cable tray elbow or punched cable tray corner, is specially designed and engineered for changing direction of perforated cable tray runs whilst maintaining excellent ventilation and cable support. As the reliable perforated cable tray bend manufacturer, Lanye brand custom perforated cable tray bend is available in various configurations, materials, sizes and forms to suit the location and requirements of the installation. Our perforated cable tray bends can be used in almost any places including homes, commercial and industrial construction, supermarkets, hotels, hospitals, power plants, underground construction and high rise buildings, etc.
A perforated cable tray bend is a pre-fabricated fitting used to change the direction of a perforated cable tray run horizontally or vertically. Perforated cable tray features a bottom surface with evenly spaced holes or slots, providing excellent ventilation for cable heat dissipation while offering continuous cable support. The bend maintains the same perforated bottom pattern as straight sections, ensuring consistent airflow and cable protection through the direction change.
Perforated cable tray bends are commonly fabricated using carbon steel grades Q195 or Q235. In the automated pre-galvanizing process, the carbon steel plates are immersed in a “galvanizing bath” containing molten zinc for a brief period. After being withdrawn from the bath, excess zinc is stripped away, leaving a relatively thin yet effective zinc coating on the steel surface. The perforated cable tray bend is then manufactured using pre-galvanized steel through standard procedures such as punching, bending, and forming, carried out by a flexible automatic production line.
Galvanized perforated cable tray bend exhibits excellent qualities including high strength, a robust design, durability, and resistance to rust. These characteristics make it an ideal choice for cable management, providing support and protection for internal cables against damage while allowing heat to escape through the perforations. Perforated cable tray bend is the reliable cable tray solution to ensure the longevity and proper functioning of cables, especially in applications with densely packed cables that generate heat.
| No | Type | Bend Angle | Tray Width (mm) | Tray Height (mm) | Material | Weight (kg/pc) |
|---|---|---|---|---|---|---|
| 1 | Lanye-PB-1 | 30° Horizontal | 100 | 50 | Pre-galvanized Steel | 4.5 |
| 2 | Lanye-PB-2 | 45° Horizontal | 150 | 75 | Pre-galvanized Steel | 6.8 |
| 3 | Lanye-PB-3 | 60° Horizontal | 200 | 100 | Pre-galvanized Steel | 9.2 |
| 4 | Lanye-PB-4 | 90° Horizontal | 300 | 100 | Hot-dip Galvanized Steel | 15.5 |
| 5 | Lanye-PB-5 | 90° Horizontal | 400 | 150 | Hot-dip Galvanized Steel | 22.3 |
| 6 | Lanye-PB-6 | 45° Vertical Inside | 200 | 100 | Stainless Steel 304 | 10.8 |
| 7 | Lanye-PB-7 | 90° Vertical Outside | 300 | 150 | Stainless Steel 316 | 18.6 |
| 8 | Lanye-PB-8 | Custom Angle (0-180°) | 600 | 200 | Aluminum 6063-T6 | 12.4 |
Lanye custom perforated cable tray bend has the following advantages which make it an excellent choice for efficient cable management solutions.
The protective zinc coating on pre-galvanized steel perforated cable tray bends ensures high quality, strength, and robustness. They can endure mechanical stresses, impacts, and abrasion while maintaining structural integrity, leading to long-lasting performance with minimal maintenance requirements.
The perforated bottom design allows hot air to rise away from cables, preventing heat buildup that can degrade insulation and reduce cable lifespan. This makes perforated cable tray bends ideal for power cables and other applications where heat generation is a concern.
The perforated cable tray bend comes in various sizes, angles, and configurations, allowing customization to suit specific installation needs like horizontal turns, vertical rises, or custom angles. The availability of matching accessories enhances flexibility in designing cable management systems for different applications.
All edges are deburred and rounded to prevent cable jacket abrasion during pulling. The perforated bottom also reduces friction compared to solid bottom bends, making cable installation easier and faster.
The zinc coating (or stainless steel/aluminum material) provides excellent corrosion resistance, safeguarding the bend from rust and corrosion due to moisture, chemicals, and environmental factors. This feature makes perforated cable tray bends suitable for indoor and outdoor use, even in high-humidity or chemically-exposed environments.
A wide selection of matching fittings and accessories allows for versatile and efficient cable management solutions tailored to specific requirements, including compatible straight sections, covers, and supports.
Each end of the bend includes pre-punched splice holes that align perfectly with straight perforated tray sections. Splice plates, bolts, and grounding jumpers are included with every bend order.
The perforated construction removes excess metal, resulting in a lighter bend that is easier to handle and install without compromising structural strength.
Custom perforated cable tray bends offer OEM/ODM options for tailored solutions to meet specific project requirements, including custom perforation patterns, radii, and materials.
These custom perforated cable tray bend solutions come at a competitive factory price, offering cost-effective cable management solutions without compromising on quality or performance.
Perforated cable tray bend is widely used across many industries including construction engineering, industrial manufacturing, data centers, energy, transportation, and communication networks. These bends provide essential direction changes for diverse perforated cable tray systems.
Perforated cable tray bends are extensively used in data centers to route大量 Cat6A and fiber optic cables while maintaining airflow for cooling. The open area prevents hot spots and allows underfloor or overhead cooling systems to function effectively.
In commercial construction, perforated cable tray bends provide vital cable routing changes for power, lighting, and communication systems. The ventilated design is particularly valued in plenum spaces where heat buildup must be avoided.
Industrial manufacturing heavily depends on perforated cable tray bends to support and protect control and instrument cables in factories, workshops, and assembly lines, where heat dissipation from variable frequency drive (VFD) cables is important.
In power plants, perforated cable tray bends route control and auxiliary power cables. The ventilation helps dissipate heat from densely packed cables in control rooms and switchgear areas.
Perforated cable tray bends manage communication cables and network equipment in telephone exchange rooms and broadband networks, providing support and protection while allowing passive cooling.
Perforated cable tray bends are extensively used in transportation facilities such as subways, railways, bridges, and tunnels to organize signal and lighting systems, offering resilience against vibration and environmental conditions.
Q1: What is the difference between a perforated cable tray bend and a ladder cable tray bend?
A: A perforated cable tray bend has a continuous bottom surface with punched holes, providing continuous support for small cables and better airflow. A ladder bend has open rungs, which is better for very large power cables but offers less support for small diameter cables. Lanye offers both types to suit your specific cable types.
Q2: What is the standard open area of your perforated cable tray bends?
A: Lanye standard perforated cable tray bends have approximately 33% open area with 5mm or 6mm diameter round holes. Custom perforation patterns and open areas are available upon request for specific ventilation requirements.
Q3: Can I use a perforated cable tray bend for power and data cables together?
A: Yes, but Lanye recommends using a divider or separator within the bend if you need to separate power and data cables for EMI reduction. We offer divider-compatible perforated bends with pre-slotted side rails.
Q4: What bend angles are available for perforated cable tray bends?
A: Lanye offers standard horizontal and vertical bends in 15°, 30°, 45°, 60°, and 90° angles. Custom angles from 0° to 180° are also available for special project requirements.
Q5: What is the lead time for custom perforated cable tray bends?
A: Standard angles and sizes from Lanye typically ship in 5-7 business days. Custom perforation patterns, custom radii, stainless steel, or aluminum bends require 10-15 business days.
Q6: Are your perforated cable tray bends compliant with industry standards?
A: Yes. Lanye perforated cable tray bends meet NEMA VE 1, IEC 61537, and CSA C22.2 No. 126.1 standards. CE and ISO 9001 certified.
Q7: Can I order perforated cable tray bends with a powder coat finish?
A: Yes. In addition to pre-galvanized, HDG, stainless steel, and aluminum, Lanye offers custom powder coating in any RAL color for indoor applications requiring specific aesthetics.
Q8: How do I choose the correct bend radius for my cables?
A: Check your cable manufacturer’s minimum bend radius specification. Lanye offers standard radii of 12″, 18″, and 24″. For large diameter cables, custom radii up to 48″ are available. Always choose a radius equal to or greater than the largest cable’s requirement.
Q9: Do perforated cable tray bends require special supports?
A: Lanye recommends supports within 12 inches on each side of the bend. For 90° bends wider than 24″, additional support at the bend midpoint is recommended. Standard perforated tray hangers and brackets work with our bends.
Q10: Can I get a sample before placing a large order?
A: Yes. Lanye offers sample bends for customer evaluation. Please contact our sales team to discuss sample requirements, lead time, and any applicable sample fees.
